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Finding the Fourth Proportional to 89,080.55, 122,931.20 and 48,794.97

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Solution

The fourth proportional to 89,080.55, 122,931.20 and 48,794.97 is: 67,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.55 : 122,931.20 = 48,794.97 : x
  2. Step 2: Convert to fraction form
    89,080.55/122,931.20 = 48,794.97/x
  3. Step 3: Cross multiply
    89,080.55x = 122,931.20 × 48,794.97
  4. Step 4: Simplify right side
    89,080.55x = 5,998,424,216.06
  5. Step 5: Solve for x
    x = 5,998,424,216.06/89,080.55
  6. Step 6: Final answer
    x = 67,337.08

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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.