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Finding the Fourth Proportional to 92,411.61, 127,503.87 and 54,150.66

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Solution

The fourth proportional to 92,411.61, 127,503.87 and 54,150.66 is: 74,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.61 : 127,503.87 = 54,150.66 : x
  2. Step 2: Convert to fraction form
    92,411.61/127,503.87 = 54,150.66/x
  3. Step 3: Cross multiply
    92,411.61x = 127,503.87 × 54,150.66
  4. Step 4: Simplify right side
    92,411.61x = 6,904,418,713.05
  5. Step 5: Solve for x
    x = 6,904,418,713.05/92,411.61
  6. Step 6: Final answer
    x = 74,713.76

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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.