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Finding the Fourth Proportional to 73,554.68, 101,505.90 and 40,020.92

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Solution

The fourth proportional to 73,554.68, 101,505.90 and 40,020.92 is: 55,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,554.68 : 101,505.90 = 40,020.92 : x
  2. Step 2: Convert to fraction form
    73,554.68/101,505.90 = 40,020.92/x
  3. Step 3: Cross multiply
    73,554.68x = 101,505.90 × 40,020.92
  4. Step 4: Simplify right side
    73,554.68x = 4,062,359,503.43
  5. Step 5: Solve for x
    x = 4,062,359,503.43/73,554.68
  6. Step 6: Final answer
    x = 55,229.11

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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.