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Finding the Fourth Proportional to 373,362.80, 560,044.20 and 124,044.80

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Solution

The fourth proportional to 373,362.80, 560,044.20 and 124,044.80 is: 186,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,362.80 : 560,044.20 = 124,044.80 : x
  2. Step 2: Convert to fraction form
    373,362.80/560,044.20 = 124,044.80/x
  3. Step 3: Cross multiply
    373,362.80x = 560,044.20 × 124,044.80
  4. Step 4: Simplify right side
    373,362.80x = 69,470,570,780.16
  5. Step 5: Solve for x
    x = 69,470,570,780.16/373,362.80
  6. Step 6: Final answer
    x = 186,067.20

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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.