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Finding the Fourth Proportional to 239,924.38, 360,108.00 and 121,678.76

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Solution

The fourth proportional to 239,924.38, 360,108.00 and 121,678.76 is: 182,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,924.38 : 360,108.00 = 121,678.76 : x
  2. Step 2: Convert to fraction form
    239,924.38/360,108.00 = 121,678.76/x
  3. Step 3: Cross multiply
    239,924.38x = 360,108.00 × 121,678.76
  4. Step 4: Simplify right side
    239,924.38x = 43,817,494,122.96
  5. Step 5: Solve for x
    x = 43,817,494,122.96/239,924.38
  6. Step 6: Final answer
    x = 182,630.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.