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Finding the Fourth Proportional to 80,248.88, 120,392.76 and 24,088.88

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Solution

The fourth proportional to 80,248.88, 120,392.76 and 24,088.88 is: 36,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248.88 : 120,392.76 = 24,088.88 : x
  2. Step 2: Convert to fraction form
    80,248.88/120,392.76 = 24,088.88/x
  3. Step 3: Cross multiply
    80,248.88x = 120,392.76 × 24,088.88
  4. Step 4: Simplify right side
    80,248.88x = 2,900,126,748.51
  5. Step 5: Solve for x
    x = 2,900,126,748.51/80,248.88
  6. Step 6: Final answer
    x = 36,139.16

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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.