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Finding the Fourth Proportional to 181,159.22, 250,000.76 and 99,490.97

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Solution

The fourth proportional to 181,159.22, 250,000.76 and 99,490.97 is: 137,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,159.22 : 250,000.76 = 99,490.97 : x
  2. Step 2: Convert to fraction form
    181,159.22/250,000.76 = 99,490.97/x
  3. Step 3: Cross multiply
    181,159.22x = 250,000.76 × 99,490.97
  4. Step 4: Simplify right side
    181,159.22x = 24,872,818,986.87
  5. Step 5: Solve for x
    x = 24,872,818,986.87/181,159.22
  6. Step 6: Final answer
    x = 137,298.11

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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.