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Finding the Fourth Proportional to 373,080.38, 559,700.45 and 120,375.16

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Solution

The fourth proportional to 373,080.38, 559,700.45 and 120,375.16 is: 180,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,080.38 : 559,700.45 = 120,375.16 : x
  2. Step 2: Convert to fraction form
    373,080.38/559,700.45 = 120,375.16/x
  3. Step 3: Cross multiply
    373,080.38x = 559,700.45 × 120,375.16
  4. Step 4: Simplify right side
    373,080.38x = 67,374,031,521.76
  5. Step 5: Solve for x
    x = 67,374,031,521.76/373,080.38
  6. Step 6: Final answer
    x = 180,588.52

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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.