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Finding the Fourth Proportional to 176,812.70, 244,035.15 and 100,338.92

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Solution

The fourth proportional to 176,812.70, 244,035.15 and 100,338.92 is: 138,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,812.70 : 244,035.15 = 100,338.92 : x
  2. Step 2: Convert to fraction form
    176,812.70/244,035.15 = 100,338.92/x
  3. Step 3: Cross multiply
    176,812.70x = 244,035.15 × 100,338.92
  4. Step 4: Simplify right side
    176,812.70x = 24,486,222,172.86
  5. Step 5: Solve for x
    x = 24,486,222,172.86/176,812.70
  6. Step 6: Final answer
    x = 138,486.79

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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.