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Finding the Fourth Proportional to 115,473, 159,353.22 and 62,481

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Solution

The fourth proportional to 115,473, 159,353.22 and 62,481 is: 86,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,473 : 159,353.22 = 62,481 : x
  2. Step 2: Convert to fraction form
    115,473/159,353.22 = 62,481/x
  3. Step 3: Cross multiply
    115,473x = 159,353.22 × 62,481
  4. Step 4: Simplify right side
    115,473x = 9,956,548,538.82
  5. Step 5: Solve for x
    x = 9,956,548,538.82/115,473
  6. Step 6: Final answer
    x = 86,224.04

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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.