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Finding the Fourth Proportional to 80,248.66, 110,778.92 and 53,041.14

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Solution

The fourth proportional to 80,248.66, 110,778.92 and 53,041.14 is: 73,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248.66 : 110,778.92 = 53,041.14 : x
  2. Step 2: Convert to fraction form
    80,248.66/110,778.92 = 53,041.14/x
  3. Step 3: Cross multiply
    80,248.66x = 110,778.92 × 53,041.14
  4. Step 4: Simplify right side
    80,248.66x = 5,875,839,385.67
  5. Step 5: Solve for x
    x = 5,875,839,385.67/80,248.66
  6. Step 6: Final answer
    x = 73,220.40

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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.