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Finding the Fourth Proportional to 115,474, 159,354.60 and 62,482

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Solution

The fourth proportional to 115,474, 159,354.60 and 62,482 is: 86,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,474 : 159,354.60 = 62,482 : x
  2. Step 2: Convert to fraction form
    115,474/159,354.60 = 62,482/x
  3. Step 3: Cross multiply
    115,474x = 159,354.60 × 62,482
  4. Step 4: Simplify right side
    115,474x = 9,956,794,117.20
  5. Step 5: Solve for x
    x = 9,956,794,117.20/115,474
  6. Step 6: Final answer
    x = 86,225.42

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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.