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Finding the Fourth Proportional to 61,657.68, 92,306.28 and 55,748.32

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Solution

The fourth proportional to 61,657.68, 92,306.28 and 55,748.32 is: 83,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.68 : 92,306.28 = 55,748.32 : x
  2. Step 2: Convert to fraction form
    61,657.68/92,306.28 = 55,748.32/x
  3. Step 3: Cross multiply
    61,657.68x = 92,306.28 × 55,748.32
  4. Step 4: Simplify right side
    61,657.68x = 5,145,920,035.45
  5. Step 5: Solve for x
    x = 5,145,920,035.45/61,657.68
  6. Step 6: Final answer
    x = 83,459.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.