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Finding the Fourth Proportional to 83,051.52, 124,621.02 and 36,337.20

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Solution

The fourth proportional to 83,051.52, 124,621.02 and 36,337.20 is: 54,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051.52 : 124,621.02 = 36,337.20 : x
  2. Step 2: Convert to fraction form
    83,051.52/124,621.02 = 36,337.20/x
  3. Step 3: Cross multiply
    83,051.52x = 124,621.02 × 36,337.20
  4. Step 4: Simplify right side
    83,051.52x = 4,528,378,927.94
  5. Step 5: Solve for x
    x = 4,528,378,927.94/83,051.52
  6. Step 6: Final answer
    x = 54,524.94

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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.