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Finding the Fourth Proportional to 88,402.86, 132,239.79 and 56,764.26

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Solution

The fourth proportional to 88,402.86, 132,239.79 and 56,764.26 is: 84,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.86 : 132,239.79 = 56,764.26 : x
  2. Step 2: Convert to fraction form
    88,402.86/132,239.79 = 56,764.26/x
  3. Step 3: Cross multiply
    88,402.86x = 132,239.79 × 56,764.26
  4. Step 4: Simplify right side
    88,402.86x = 7,506,493,821.91
  5. Step 5: Solve for x
    x = 7,506,493,821.91/88,402.86
  6. Step 6: Final answer
    x = 84,912.34

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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.