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Finding the Fourth Proportional to 183,694.88, 253,618.48 and 112,116.40

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Solution

The fourth proportional to 183,694.88, 253,618.48 and 112,116.40 is: 154,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,694.88 : 253,618.48 = 112,116.40 : x
  2. Step 2: Convert to fraction form
    183,694.88/253,618.48 = 112,116.40/x
  3. Step 3: Cross multiply
    183,694.88x = 253,618.48 × 112,116.40
  4. Step 4: Simplify right side
    183,694.88x = 28,434,790,951.07
  5. Step 5: Solve for x
    x = 28,434,790,951.07/183,694.88
  6. Step 6: Final answer
    x = 154,793.60

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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.