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Finding the Fourth Proportional to 113,005.52, 155,952.48 and 62,704.52

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Solution

The fourth proportional to 113,005.52, 155,952.48 and 62,704.52 is: 86,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.52 : 155,952.48 = 62,704.52 : x
  2. Step 2: Convert to fraction form
    113,005.52/155,952.48 = 62,704.52/x
  3. Step 3: Cross multiply
    113,005.52x = 155,952.48 × 62,704.52
  4. Step 4: Simplify right side
    113,005.52x = 9,778,925,401.21
  5. Step 5: Solve for x
    x = 9,778,925,401.21/113,005.52
  6. Step 6: Final answer
    x = 86,534.94

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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.