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Finding the Fourth Proportional to 88,379.85, 132,590.53 and 29,215.52

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Solution

The fourth proportional to 88,379.85, 132,590.53 and 29,215.52 is: 43,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,379.85 : 132,590.53 = 29,215.52 : x
  2. Step 2: Convert to fraction form
    88,379.85/132,590.53 = 29,215.52/x
  3. Step 3: Cross multiply
    88,379.85x = 132,590.53 × 29,215.52
  4. Step 4: Simplify right side
    88,379.85x = 3,873,700,618.07
  5. Step 5: Solve for x
    x = 3,873,700,618.07/88,379.85
  6. Step 6: Final answer
    x = 43,830.13

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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.