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Finding the Fourth Proportional to 121,299.40, 181,957.20 and 41,336.20

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Solution

The fourth proportional to 121,299.40, 181,957.20 and 41,336.20 is: 62,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,299.40 : 181,957.20 = 41,336.20 : x
  2. Step 2: Convert to fraction form
    121,299.40/181,957.20 = 41,336.20/x
  3. Step 3: Cross multiply
    121,299.40x = 181,957.20 × 41,336.20
  4. Step 4: Simplify right side
    121,299.40x = 7,521,419,210.64
  5. Step 5: Solve for x
    x = 7,521,419,210.64/121,299.40
  6. Step 6: Final answer
    x = 62,007.06

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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.