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Finding the Fourth Proportional to 115,909.52, 173,864.27 and 63,290.30

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Solution

The fourth proportional to 115,909.52, 173,864.27 and 63,290.30 is: 94,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.52 : 173,864.27 = 63,290.30 : x
  2. Step 2: Convert to fraction form
    115,909.52/173,864.27 = 63,290.30/x
  3. Step 3: Cross multiply
    115,909.52x = 173,864.27 × 63,290.30
  4. Step 4: Simplify right side
    115,909.52x = 11,003,921,096.49
  5. Step 5: Solve for x
    x = 11,003,921,096.49/115,909.52
  6. Step 6: Final answer
    x = 94,935.44

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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.