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Finding the Fourth Proportional to 92,530.50, 138,815.19 and 37,126.50

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Solution

The fourth proportional to 92,530.50, 138,815.19 and 37,126.50 is: 55,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,530.50 : 138,815.19 = 37,126.50 : x
  2. Step 2: Convert to fraction form
    92,530.50/138,815.19 = 37,126.50/x
  3. Step 3: Cross multiply
    92,530.50x = 138,815.19 × 37,126.50
  4. Step 4: Simplify right side
    92,530.50x = 5,153,722,151.54
  5. Step 5: Solve for x
    x = 5,153,722,151.54/92,530.50
  6. Step 6: Final answer
    x = 55,697.55

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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.