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Finding the Fourth Proportional to 244,908.70, 367,276.65 and 87,142.30

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Solution

The fourth proportional to 244,908.70, 367,276.65 and 87,142.30 is: 130,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,908.70 : 367,276.65 = 87,142.30 : x
  2. Step 2: Convert to fraction form
    244,908.70/367,276.65 = 87,142.30/x
  3. Step 3: Cross multiply
    244,908.70x = 367,276.65 × 87,142.30
  4. Step 4: Simplify right side
    244,908.70x = 32,005,332,017.30
  5. Step 5: Solve for x
    x = 32,005,332,017.30/244,908.70
  6. Step 6: Final answer
    x = 130,682.71

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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.