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Finding the Fourth Proportional to 176,806.73, 243,998.57 and 108,862.91

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Solution

The fourth proportional to 176,806.73, 243,998.57 and 108,862.91 is: 150,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806.73 : 243,998.57 = 108,862.91 : x
  2. Step 2: Convert to fraction form
    176,806.73/243,998.57 = 108,862.91/x
  3. Step 3: Cross multiply
    176,806.73x = 243,998.57 × 108,862.91
  4. Step 4: Simplify right side
    176,806.73x = 26,562,393,418.20
  5. Step 5: Solve for x
    x = 26,562,393,418.20/176,806.73
  6. Step 6: Final answer
    x = 150,234.07

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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.