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Finding the Fourth Proportional to 176,641.24, 243,835.50 and 108,685.76

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Solution

The fourth proportional to 176,641.24, 243,835.50 and 108,685.76 is: 150,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,641.24 : 243,835.50 = 108,685.76 : x
  2. Step 2: Convert to fraction form
    176,641.24/243,835.50 = 108,685.76/x
  3. Step 3: Cross multiply
    176,641.24x = 243,835.50 × 108,685.76
  4. Step 4: Simplify right side
    176,641.24x = 26,501,446,632.48
  5. Step 5: Solve for x
    x = 26,501,446,632.48/176,641.24
  6. Step 6: Final answer
    x = 150,029.78

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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.