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Finding the Fourth Proportional to 207,035.04, 310,552.68 and 66,793.92

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Solution

The fourth proportional to 207,035.04, 310,552.68 and 66,793.92 is: 100,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,035.04 : 310,552.68 = 66,793.92 : x
  2. Step 2: Convert to fraction form
    207,035.04/310,552.68 = 66,793.92/x
  3. Step 3: Cross multiply
    207,035.04x = 310,552.68 × 66,793.92
  4. Step 4: Simplify right side
    207,035.04x = 20,743,030,863.71
  5. Step 5: Solve for x
    x = 20,743,030,863.71/207,035.04
  6. Step 6: Final answer
    x = 100,190.92

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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.