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Finding the Fourth Proportional to 83,855.73, 115,719.03 and 48,066.84

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Solution

The fourth proportional to 83,855.73, 115,719.03 and 48,066.84 is: 66,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,855.73 : 115,719.03 = 48,066.84 : x
  2. Step 2: Convert to fraction form
    83,855.73/115,719.03 = 48,066.84/x
  3. Step 3: Cross multiply
    83,855.73x = 115,719.03 × 48,066.84
  4. Step 4: Simplify right side
    83,855.73x = 5,562,248,099.97
  5. Step 5: Solve for x
    x = 5,562,248,099.97/83,855.73
  6. Step 6: Final answer
    x = 66,331.16

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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.