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Finding the Fourth Proportional to 176,906.75, 244,128.89 and 100,425.17

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Solution

The fourth proportional to 176,906.75, 244,128.89 and 100,425.17 is: 138,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,906.75 : 244,128.89 = 100,425.17 : x
  2. Step 2: Convert to fraction form
    176,906.75/244,128.89 = 100,425.17/x
  3. Step 3: Cross multiply
    176,906.75x = 244,128.89 × 100,425.17
  4. Step 4: Simplify right side
    176,906.75x = 24,516,683,557.39
  5. Step 5: Solve for x
    x = 24,516,683,557.39/176,906.75
  6. Step 6: Final answer
    x = 138,585.35

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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.