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Finding the Fourth Proportional to 134,630.28, 185,787.28 and 73,377

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Solution

The fourth proportional to 134,630.28, 185,787.28 and 73,377 is: 101,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.28 : 185,787.28 = 73,377 : x
  2. Step 2: Convert to fraction form
    134,630.28/185,787.28 = 73,377/x
  3. Step 3: Cross multiply
    134,630.28x = 185,787.28 × 73,377
  4. Step 4: Simplify right side
    134,630.28x = 13,632,513,244.56
  5. Step 5: Solve for x
    x = 13,632,513,244.56/134,630.28
  6. Step 6: Final answer
    x = 101,258.89

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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.