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Finding the Fourth Proportional to 92,124.34, 127,129.40 and 60,292.55

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Solution

The fourth proportional to 92,124.34, 127,129.40 and 60,292.55 is: 83,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,124.34 : 127,129.40 = 60,292.55 : x
  2. Step 2: Convert to fraction form
    92,124.34/127,129.40 = 60,292.55/x
  3. Step 3: Cross multiply
    92,124.34x = 127,129.40 × 60,292.55
  4. Step 4: Simplify right side
    92,124.34x = 7,664,955,948.43
  5. Step 5: Solve for x
    x = 7,664,955,948.43/92,124.34
  6. Step 6: Final answer
    x = 83,202.29

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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.