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Finding the Fourth Proportional to 111,460.17, 153,825.84 and 63,704.43

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Solution

The fourth proportional to 111,460.17, 153,825.84 and 63,704.43 is: 87,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460.17 : 153,825.84 = 63,704.43 : x
  2. Step 2: Convert to fraction form
    111,460.17/153,825.84 = 63,704.43/x
  3. Step 3: Cross multiply
    111,460.17x = 153,825.84 × 63,704.43
  4. Step 4: Simplify right side
    111,460.17x = 9,799,387,456.47
  5. Step 5: Solve for x
    x = 9,799,387,456.47/111,460.17
  6. Step 6: Final answer
    x = 87,918.29

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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.