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Finding the Fourth Proportional to 144,049.52, 216,074.28 and 38,868.48

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Solution

The fourth proportional to 144,049.52, 216,074.28 and 38,868.48 is: 58,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.52 : 216,074.28 = 38,868.48 : x
  2. Step 2: Convert to fraction form
    144,049.52/216,074.28 = 38,868.48/x
  3. Step 3: Cross multiply
    144,049.52x = 216,074.28 × 38,868.48
  4. Step 4: Simplify right side
    144,049.52x = 8,398,478,830.69
  5. Step 5: Solve for x
    x = 8,398,478,830.69/144,049.52
  6. Step 6: Final answer
    x = 58,302.72

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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.