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Finding the Fourth Proportional to 141,649.92, 212,474.88 and 48,155.67

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Solution

The fourth proportional to 141,649.92, 212,474.88 and 48,155.67 is: 72,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,649.92 : 212,474.88 = 48,155.67 : x
  2. Step 2: Convert to fraction form
    141,649.92/212,474.88 = 48,155.67/x
  3. Step 3: Cross multiply
    141,649.92x = 212,474.88 × 48,155.67
  4. Step 4: Simplify right side
    141,649.92x = 10,231,870,204.57
  5. Step 5: Solve for x
    x = 10,231,870,204.57/141,649.92
  6. Step 6: Final answer
    x = 72,233.51

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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.