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Finding the Fourth Proportional to 92,281.84, 138,314.77 and 42,366.76

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Solution

The fourth proportional to 92,281.84, 138,314.77 and 42,366.76 is: 63,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,281.84 : 138,314.77 = 42,366.76 : x
  2. Step 2: Convert to fraction form
    92,281.84/138,314.77 = 42,366.76/x
  3. Step 3: Cross multiply
    92,281.84x = 138,314.77 × 42,366.76
  4. Step 4: Simplify right side
    92,281.84x = 5,859,948,665.05
  5. Step 5: Solve for x
    x = 5,859,948,665.05/92,281.84
  6. Step 6: Final answer
    x = 63,500.56

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1.5x scale

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.