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Finding the Fourth Proportional to 101,476.38, 140,052.27 and 58,447.49

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Solution

The fourth proportional to 101,476.38, 140,052.27 and 58,447.49 is: 80,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.38 : 140,052.27 = 58,447.49 : x
  2. Step 2: Convert to fraction form
    101,476.38/140,052.27 = 58,447.49/x
  3. Step 3: Cross multiply
    101,476.38x = 140,052.27 × 58,447.49
  4. Step 4: Simplify right side
    101,476.38x = 8,185,704,000.43
  5. Step 5: Solve for x
    x = 8,185,704,000.43/101,476.38
  6. Step 6: Final answer
    x = 80,666.10

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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.