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Finding the Fourth Proportional to 186,760.96, 257,725.84 and 101,881.04

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Solution

The fourth proportional to 186,760.96, 257,725.84 and 101,881.04 is: 140,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,760.96 : 257,725.84 = 101,881.04 : x
  2. Step 2: Convert to fraction form
    186,760.96/257,725.84 = 101,881.04/x
  3. Step 3: Cross multiply
    186,760.96x = 257,725.84 × 101,881.04
  4. Step 4: Simplify right side
    186,760.96x = 26,257,376,614.07
  5. Step 5: Solve for x
    x = 26,257,376,614.07/186,760.96
  6. Step 6: Final answer
    x = 140,593.50

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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.