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Finding the Fourth Proportional to 92,706.38, 127,934.03 and 52,428.05

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Solution

The fourth proportional to 92,706.38, 127,934.03 and 52,428.05 is: 72,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.38 : 127,934.03 = 52,428.05 : x
  2. Step 2: Convert to fraction form
    92,706.38/127,934.03 = 52,428.05/x
  3. Step 3: Cross multiply
    92,706.38x = 127,934.03 × 52,428.05
  4. Step 4: Simplify right side
    92,706.38x = 6,707,331,721.54
  5. Step 5: Solve for x
    x = 6,707,331,721.54/92,706.38
  6. Step 6: Final answer
    x = 72,350.27

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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.