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Finding the Fourth Proportional to 92,166.76, 138,211.01 and 38,882.63

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Solution

The fourth proportional to 92,166.76, 138,211.01 and 38,882.63 is: 58,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,166.76 : 138,211.01 = 38,882.63 : x
  2. Step 2: Convert to fraction form
    92,166.76/138,211.01 = 38,882.63/x
  3. Step 3: Cross multiply
    92,166.76x = 138,211.01 × 38,882.63
  4. Step 4: Simplify right side
    92,166.76x = 5,374,007,860.68
  5. Step 5: Solve for x
    x = 5,374,007,860.68/92,166.76
  6. Step 6: Final answer
    x = 58,307.44

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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.