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Finding the Fourth Proportional to 64,381.80, 96,572.70 and 58,852.20

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Solution

The fourth proportional to 64,381.80, 96,572.70 and 58,852.20 is: 88,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.80 : 96,572.70 = 58,852.20 : x
  2. Step 2: Convert to fraction form
    64,381.80/96,572.70 = 58,852.20/x
  3. Step 3: Cross multiply
    64,381.80x = 96,572.70 × 58,852.20
  4. Step 4: Simplify right side
    64,381.80x = 5,683,515,854.94
  5. Step 5: Solve for x
    x = 5,683,515,854.94/64,381.80
  6. Step 6: Final answer
    x = 88,278.30

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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.