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Finding the Fourth Proportional to 332,124.78, 458,337.48 and 181,221.78

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Solution

The fourth proportional to 332,124.78, 458,337.48 and 181,221.78 is: 250,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,124.78 : 458,337.48 = 181,221.78 : x
  2. Step 2: Convert to fraction form
    332,124.78/458,337.48 = 181,221.78/x
  3. Step 3: Cross multiply
    332,124.78x = 458,337.48 × 181,221.78
  4. Step 4: Simplify right side
    332,124.78x = 83,060,733,966.31
  5. Step 5: Solve for x
    x = 83,060,733,966.31/332,124.78
  6. Step 6: Final answer
    x = 250,088.94

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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.