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Finding the Fourth Proportional to 134,911.65, 202,332.20 and 40,116.30

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Solution

The fourth proportional to 134,911.65, 202,332.20 and 40,116.30 is: 60,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.65 : 202,332.20 = 40,116.30 : x
  2. Step 2: Convert to fraction form
    134,911.65/202,332.20 = 40,116.30/x
  3. Step 3: Cross multiply
    134,911.65x = 202,332.20 × 40,116.30
  4. Step 4: Simplify right side
    134,911.65x = 8,116,819,234.86
  5. Step 5: Solve for x
    x = 8,116,819,234.86/134,911.65
  6. Step 6: Final answer
    x = 60,163.96

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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.