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Finding the Fourth Proportional to 207,254.40, 310,881.60 and 132,604.80

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Solution

The fourth proportional to 207,254.40, 310,881.60 and 132,604.80 is: 198,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,254.40 : 310,881.60 = 132,604.80 : x
  2. Step 2: Convert to fraction form
    207,254.40/310,881.60 = 132,604.80/x
  3. Step 3: Cross multiply
    207,254.40x = 310,881.60 × 132,604.80
  4. Step 4: Simplify right side
    207,254.40x = 41,224,392,391.68
  5. Step 5: Solve for x
    x = 41,224,392,391.68/207,254.40
  6. Step 6: Final answer
    x = 198,907.20

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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.