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Finding the Fourth Proportional to 97,378.62, 146,128.41 and 62,343.42

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Solution

The fourth proportional to 97,378.62, 146,128.41 and 62,343.42 is: 93,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,378.62 : 146,128.41 = 62,343.42 : x
  2. Step 2: Convert to fraction form
    97,378.62/146,128.41 = 62,343.42/x
  3. Step 3: Cross multiply
    97,378.62x = 146,128.41 × 62,343.42
  4. Step 4: Simplify right side
    97,378.62x = 9,110,144,838.56
  5. Step 5: Solve for x
    x = 9,110,144,838.56/97,378.62
  6. Step 6: Final answer
    x = 93,553.85

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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.