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Finding the Fourth Proportional to 373,357.35, 560,039.27 and 120,637.88

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Solution

The fourth proportional to 373,357.35, 560,039.27 and 120,637.88 is: 180,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,357.35 : 560,039.27 = 120,637.88 : x
  2. Step 2: Convert to fraction form
    373,357.35/560,039.27 = 120,637.88/x
  3. Step 3: Cross multiply
    373,357.35x = 560,039.27 × 120,637.88
  4. Step 4: Simplify right side
    373,357.35x = 67,561,946,846.16
  5. Step 5: Solve for x
    x = 67,561,946,846.16/373,357.35
  6. Step 6: Final answer
    x = 180,957.86

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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.