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Finding the Fourth Proportional to 223,671.92, 335,531.18 and 71,830.63

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Solution

The fourth proportional to 223,671.92, 335,531.18 and 71,830.63 is: 107,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,671.92 : 335,531.18 = 71,830.63 : x
  2. Step 2: Convert to fraction form
    223,671.92/335,531.18 = 71,830.63/x
  3. Step 3: Cross multiply
    223,671.92x = 335,531.18 × 71,830.63
  4. Step 4: Simplify right side
    223,671.92x = 24,101,416,643.03
  5. Step 5: Solve for x
    x = 24,101,416,643.03/223,671.92
  6. Step 6: Final answer
    x = 107,753.43

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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.