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Finding the Fourth Proportional to 112,954,889.60, 169,432,334.40 and 112,954,889.60

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Solution

The fourth proportional to 112,954,889.60, 169,432,334.40 and 112,954,889.60 is: 169,432,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,954,889.60 : 169,432,334.40 = 112,954,889.60 : x
  2. Step 2: Convert to fraction form
    112,954,889.60/169,432,334.40 = 112,954,889.60/x
  3. Step 3: Cross multiply
    112,954,889.60x = 169,432,334.40 × 112,954,889.60
  4. Step 4: Simplify right side
    112,954,889.60x = 19,138,210,626,822,280
  5. Step 5: Solve for x
    x = 19,138,210,626,822,280/112,954,889.60
  6. Step 6: Final answer
    x = 169,432,334.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.