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Finding the Fourth Proportional to 176,648.94, 243,778.68 and 96,078.24

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Solution

The fourth proportional to 176,648.94, 243,778.68 and 96,078.24 is: 132,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,648.94 : 243,778.68 = 96,078.24 : x
  2. Step 2: Convert to fraction form
    176,648.94/243,778.68 = 96,078.24/x
  3. Step 3: Cross multiply
    176,648.94x = 243,778.68 × 96,078.24
  4. Step 4: Simplify right side
    176,648.94x = 23,421,826,523.92
  5. Step 5: Solve for x
    x = 23,421,826,523.92/176,648.94
  6. Step 6: Final answer
    x = 132,589.68

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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.