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Finding the Fourth Proportional to 373,398.60, 560,097.90 and 124,080.60

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Solution

The fourth proportional to 373,398.60, 560,097.90 and 124,080.60 is: 186,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,398.60 : 560,097.90 = 124,080.60 : x
  2. Step 2: Convert to fraction form
    373,398.60/560,097.90 = 124,080.60/x
  3. Step 3: Cross multiply
    373,398.60x = 560,097.90 × 124,080.60
  4. Step 4: Simplify right side
    373,398.60x = 69,497,283,490.74
  5. Step 5: Solve for x
    x = 69,497,283,490.74/373,398.60
  6. Step 6: Final answer
    x = 186,120.90

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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.