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Finding the Fourth Proportional to 115,488, 159,373.52 and 62,496

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Solution

The fourth proportional to 115,488, 159,373.52 and 62,496 is: 86,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,488 : 159,373.52 = 62,496 : x
  2. Step 2: Convert to fraction form
    115,488/159,373.52 = 62,496/x
  3. Step 3: Cross multiply
    115,488x = 159,373.52 × 62,496
  4. Step 4: Simplify right side
    115,488x = 9,960,207,505.92
  5. Step 5: Solve for x
    x = 9,960,207,505.92/115,488
  6. Step 6: Final answer
    x = 86,244.52

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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.