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Finding the Fourth Proportional to 97,007.60, 133,871.60 and 54,565.76

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Solution

The fourth proportional to 97,007.60, 133,871.60 and 54,565.76 is: 75,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,007.60 : 133,871.60 = 54,565.76 : x
  2. Step 2: Convert to fraction form
    97,007.60/133,871.60 = 54,565.76/x
  3. Step 3: Cross multiply
    97,007.60x = 133,871.60 × 54,565.76
  4. Step 4: Simplify right side
    97,007.60x = 7,304,805,596.42
  5. Step 5: Solve for x
    x = 7,304,805,596.42/97,007.60
  6. Step 6: Final answer
    x = 75,301.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.