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Finding the Fourth Proportional to 242,900.88, 335,229.48 and 147,411.60

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Solution

The fourth proportional to 242,900.88, 335,229.48 and 147,411.60 is: 203,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,900.88 : 335,229.48 = 147,411.60 : x
  2. Step 2: Convert to fraction form
    242,900.88/335,229.48 = 147,411.60/x
  3. Step 3: Cross multiply
    242,900.88x = 335,229.48 × 147,411.60
  4. Step 4: Simplify right side
    242,900.88x = 49,416,714,013.97
  5. Step 5: Solve for x
    x = 49,416,714,013.97/242,900.88
  6. Step 6: Final answer
    x = 203,443.95

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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.