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Finding the Fourth Proportional to 155,080.80, 232,839.90 and 96,031.80

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Solution

The fourth proportional to 155,080.80, 232,839.90 and 96,031.80 is: 144,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,080.80 : 232,839.90 = 96,031.80 : x
  2. Step 2: Convert to fraction form
    155,080.80/232,839.90 = 96,031.80/x
  3. Step 3: Cross multiply
    155,080.80x = 232,839.90 × 96,031.80
  4. Step 4: Simplify right side
    155,080.80x = 22,360,034,708.82
  5. Step 5: Solve for x
    x = 22,360,034,708.82/155,080.80
  6. Step 6: Final answer
    x = 144,183.13

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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.