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Finding the Fourth Proportional to 177,129.60, 265,849.92 and 98,332.80

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Solution

The fourth proportional to 177,129.60, 265,849.92 and 98,332.80 is: 147,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,129.60 : 265,849.92 = 98,332.80 : x
  2. Step 2: Convert to fraction form
    177,129.60/265,849.92 = 98,332.80/x
  3. Step 3: Cross multiply
    177,129.60x = 265,849.92 × 98,332.80
  4. Step 4: Simplify right side
    177,129.60x = 26,141,767,013.38
  5. Step 5: Solve for x
    x = 26,141,767,013.38/177,129.60
  6. Step 6: Final answer
    x = 147,585.54

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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.