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Finding the Fourth Proportional to 169,903.90, 234,446.88 and 93,410.38

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Solution

The fourth proportional to 169,903.90, 234,446.88 and 93,410.38 is: 128,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,903.90 : 234,446.88 = 93,410.38 : x
  2. Step 2: Convert to fraction form
    169,903.90/234,446.88 = 93,410.38/x
  3. Step 3: Cross multiply
    169,903.90x = 234,446.88 × 93,410.38
  4. Step 4: Simplify right side
    169,903.90x = 21,899,772,150.61
  5. Step 5: Solve for x
    x = 21,899,772,150.61/169,903.90
  6. Step 6: Final answer
    x = 128,895.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.