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Finding the Fourth Proportional to 157,674, 217,597.08 and 88,787.16

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Solution

The fourth proportional to 157,674, 217,597.08 and 88,787.16 is: 122,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,674 : 217,597.08 = 88,787.16 : x
  2. Step 2: Convert to fraction form
    157,674/217,597.08 = 88,787.16/x
  3. Step 3: Cross multiply
    157,674x = 217,597.08 × 88,787.16
  4. Step 4: Simplify right side
    157,674x = 19,319,826,757.49
  5. Step 5: Solve for x
    x = 19,319,826,757.49/157,674
  6. Step 6: Final answer
    x = 122,530.20

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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.