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Finding the Fourth Proportional to 151,846.70, 227,834.85 and 72,920.30

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Solution

The fourth proportional to 151,846.70, 227,834.85 and 72,920.30 is: 109,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846.70 : 227,834.85 = 72,920.30 : x
  2. Step 2: Convert to fraction form
    151,846.70/227,834.85 = 72,920.30/x
  3. Step 3: Cross multiply
    151,846.70x = 227,834.85 × 72,920.30
  4. Step 4: Simplify right side
    151,846.70x = 16,613,785,612.46
  5. Step 5: Solve for x
    x = 16,613,785,612.46/151,846.70
  6. Step 6: Final answer
    x = 109,411.57

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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.