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Finding the Fourth Proportional to 181,446.93, 250,412.72 and 99,789.57

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Solution

The fourth proportional to 181,446.93, 250,412.72 and 99,789.57 is: 137,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,446.93 : 250,412.72 = 99,789.57 : x
  2. Step 2: Convert to fraction form
    181,446.93/250,412.72 = 99,789.57/x
  3. Step 3: Cross multiply
    181,446.93x = 250,412.72 × 99,789.57
  4. Step 4: Simplify right side
    181,446.93x = 24,988,578,417.98
  5. Step 5: Solve for x
    x = 24,988,578,417.98/181,446.93
  6. Step 6: Final answer
    x = 137,718.38

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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.