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Finding the Fourth Proportional to 177,632.52, 245,132.76 and 101,147.64

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Solution

The fourth proportional to 177,632.52, 245,132.76 and 101,147.64 is: 139,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,632.52 : 245,132.76 = 101,147.64 : x
  2. Step 2: Convert to fraction form
    177,632.52/245,132.76 = 101,147.64/x
  3. Step 3: Cross multiply
    177,632.52x = 245,132.76 × 101,147.64
  4. Step 4: Simplify right side
    177,632.52x = 24,794,600,160.69
  5. Step 5: Solve for x
    x = 24,794,600,160.69/177,632.52
  6. Step 6: Final answer
    x = 139,583.68

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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.