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Finding the Fourth Proportional to 177,287.92, 265,981.92 and 72,182.32

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Solution

The fourth proportional to 177,287.92, 265,981.92 and 72,182.32 is: 108,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,287.92 : 265,981.92 = 72,182.32 : x
  2. Step 2: Convert to fraction form
    177,287.92/265,981.92 = 72,182.32/x
  3. Step 3: Cross multiply
    177,287.92x = 265,981.92 × 72,182.32
  4. Step 4: Simplify right side
    177,287.92x = 19,199,192,063.65
  5. Step 5: Solve for x
    x = 19,199,192,063.65/177,287.92
  6. Step 6: Final answer
    x = 108,293.85

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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.