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Finding the Fourth Proportional to 176,691.62, 243,831.92 and 96,119.76

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Solution

The fourth proportional to 176,691.62, 243,831.92 and 96,119.76 is: 132,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,691.62 : 243,831.92 = 96,119.76 : x
  2. Step 2: Convert to fraction form
    176,691.62/243,831.92 = 96,119.76/x
  3. Step 3: Cross multiply
    176,691.62x = 243,831.92 × 96,119.76
  4. Step 4: Simplify right side
    176,691.62x = 23,437,065,630.74
  5. Step 5: Solve for x
    x = 23,437,065,630.74/176,691.62
  6. Step 6: Final answer
    x = 132,643.90

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1.5x scale

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.