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Finding the Fourth Proportional to 98,960.80, 148,243.56 and 59,496.52

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Solution

The fourth proportional to 98,960.80, 148,243.56 and 59,496.52 is: 89,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,960.80 : 148,243.56 = 59,496.52 : x
  2. Step 2: Convert to fraction form
    98,960.80/148,243.56 = 59,496.52/x
  3. Step 3: Cross multiply
    98,960.80x = 148,243.56 × 59,496.52
  4. Step 4: Simplify right side
    98,960.80x = 8,819,975,932.41
  5. Step 5: Solve for x
    x = 8,819,975,932.41/98,960.80
  6. Step 6: Final answer
    x = 89,125.96

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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.