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Finding the Fourth Proportional to 72,314.37, 108,282.92 and 58,197.28

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Solution

The fourth proportional to 72,314.37, 108,282.92 and 58,197.28 is: 87,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.37 : 108,282.92 = 58,197.28 : x
  2. Step 2: Convert to fraction form
    72,314.37/108,282.92 = 58,197.28/x
  3. Step 3: Cross multiply
    72,314.37x = 108,282.92 × 58,197.28
  4. Step 4: Simplify right side
    72,314.37x = 6,301,771,123.47
  5. Step 5: Solve for x
    x = 6,301,771,123.47/72,314.37
  6. Step 6: Final answer
    x = 87,144.11

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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.