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Finding the Fourth Proportional to 63,127.52, 87,118.80 and 36,278.72

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Solution

The fourth proportional to 63,127.52, 87,118.80 and 36,278.72 is: 50,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.52 : 87,118.80 = 36,278.72 : x
  2. Step 2: Convert to fraction form
    63,127.52/87,118.80 = 36,278.72/x
  3. Step 3: Cross multiply
    63,127.52x = 87,118.80 × 36,278.72
  4. Step 4: Simplify right side
    63,127.52x = 3,160,558,551.94
  5. Step 5: Solve for x
    x = 3,160,558,551.94/63,127.52
  6. Step 6: Final answer
    x = 50,066.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.