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Finding the Fourth Proportional to 134,614.98, 185,769.40 and 77,249.73

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Solution

The fourth proportional to 134,614.98, 185,769.40 and 77,249.73 is: 106,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614.98 : 185,769.40 = 77,249.73 : x
  2. Step 2: Convert to fraction form
    134,614.98/185,769.40 = 77,249.73/x
  3. Step 3: Cross multiply
    134,614.98x = 185,769.40 × 77,249.73
  4. Step 4: Simplify right side
    134,614.98x = 14,350,635,606.01
  5. Step 5: Solve for x
    x = 14,350,635,606.01/134,614.98
  6. Step 6: Final answer
    x = 106,605.05

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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.