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Finding the Fourth Proportional to 176,295.74, 243,286.62 and 95,721.68

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Solution

The fourth proportional to 176,295.74, 243,286.62 and 95,721.68 is: 132,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,295.74 : 243,286.62 = 95,721.68 : x
  2. Step 2: Convert to fraction form
    176,295.74/243,286.62 = 95,721.68/x
  3. Step 3: Cross multiply
    176,295.74x = 243,286.62 × 95,721.68
  4. Step 4: Simplify right side
    176,295.74x = 23,287,803,987.92
  5. Step 5: Solve for x
    x = 23,287,803,987.92/176,295.74
  6. Step 6: Final answer
    x = 132,095.10

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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.