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Finding the Fourth Proportional to 92,495.66, 138,519.92 and 52,932.83

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Solution

The fourth proportional to 92,495.66, 138,519.92 and 52,932.83 is: 79,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.66 : 138,519.92 = 52,932.83 : x
  2. Step 2: Convert to fraction form
    92,495.66/138,519.92 = 52,932.83/x
  3. Step 3: Cross multiply
    92,495.66x = 138,519.92 × 52,932.83
  4. Step 4: Simplify right side
    92,495.66x = 7,332,250,816.71
  5. Step 5: Solve for x
    x = 7,332,250,816.71/92,495.66
  6. Step 6: Final answer
    x = 79,271.30

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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.