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Finding the Fourth Proportional to 92,297.53, 138,354.28 and 39,002.95

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Solution

The fourth proportional to 92,297.53, 138,354.28 and 39,002.95 is: 58,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,297.53 : 138,354.28 = 39,002.95 : x
  2. Step 2: Convert to fraction form
    92,297.53/138,354.28 = 39,002.95/x
  3. Step 3: Cross multiply
    92,297.53x = 138,354.28 × 39,002.95
  4. Step 4: Simplify right side
    92,297.53x = 5,396,225,065.13
  5. Step 5: Solve for x
    x = 5,396,225,065.13/92,297.53
  6. Step 6: Final answer
    x = 58,465.54

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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.