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Finding the Fourth Proportional to 88,957.81, 133,404.37 and 29,779.42

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Solution

The fourth proportional to 88,957.81, 133,404.37 and 29,779.42 is: 44,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,957.81 : 133,404.37 = 29,779.42 : x
  2. Step 2: Convert to fraction form
    88,957.81/133,404.37 = 29,779.42/x
  3. Step 3: Cross multiply
    88,957.81x = 133,404.37 × 29,779.42
  4. Step 4: Simplify right side
    88,957.81x = 3,972,704,764.07
  5. Step 5: Solve for x
    x = 3,972,704,764.07/88,957.81
  6. Step 6: Final answer
    x = 44,658.30

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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.