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Finding the Fourth Proportional to 147,248.28, 220,872.42 and 36,440.28

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Solution

The fourth proportional to 147,248.28, 220,872.42 and 36,440.28 is: 54,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,248.28 : 220,872.42 = 36,440.28 : x
  2. Step 2: Convert to fraction form
    147,248.28/220,872.42 = 36,440.28/x
  3. Step 3: Cross multiply
    147,248.28x = 220,872.42 × 36,440.28
  4. Step 4: Simplify right side
    147,248.28x = 8,048,652,829.08
  5. Step 5: Solve for x
    x = 8,048,652,829.08/147,248.28
  6. Step 6: Final answer
    x = 54,660.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.