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Finding the Fourth Proportional to 181,215.94, 250,076.54 and 99,545.54

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Solution

The fourth proportional to 181,215.94, 250,076.54 and 99,545.54 is: 137,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,215.94 : 250,076.54 = 99,545.54 : x
  2. Step 2: Convert to fraction form
    181,215.94/250,076.54 = 99,545.54/x
  3. Step 3: Cross multiply
    181,215.94x = 250,076.54 × 99,545.54
  4. Step 4: Simplify right side
    181,215.94x = 24,894,004,215.63
  5. Step 5: Solve for x
    x = 24,894,004,215.63/181,215.94
  6. Step 6: Final answer
    x = 137,372.04

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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.