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Finding the Fourth Proportional to 181,777.38, 250,787.86 and 105,254.70

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Solution

The fourth proportional to 181,777.38, 250,787.86 and 105,254.70 is: 145,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,777.38 : 250,787.86 = 105,254.70 : x
  2. Step 2: Convert to fraction form
    181,777.38/250,787.86 = 105,254.70/x
  3. Step 3: Cross multiply
    181,777.38x = 250,787.86 × 105,254.70
  4. Step 4: Simplify right side
    181,777.38x = 26,396,600,967.94
  5. Step 5: Solve for x
    x = 26,396,600,967.94/181,777.38
  6. Step 6: Final answer
    x = 145,213.89

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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.