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Finding the Fourth Proportional to 92,499.60, 127,615.08 and 60,686.16

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Solution

The fourth proportional to 92,499.60, 127,615.08 and 60,686.16 is: 83,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,499.60 : 127,615.08 = 60,686.16 : x
  2. Step 2: Convert to fraction form
    92,499.60/127,615.08 = 60,686.16/x
  3. Step 3: Cross multiply
    92,499.60x = 127,615.08 × 60,686.16
  4. Step 4: Simplify right side
    92,499.60x = 7,744,469,163.29
  5. Step 5: Solve for x
    x = 7,744,469,163.29/92,499.60
  6. Step 6: Final answer
    x = 83,724.35

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1.5x scale

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.