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Finding the Fourth Proportional to 373,148.70, 559,778.40 and 120,346.08

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Solution

The fourth proportional to 373,148.70, 559,778.40 and 120,346.08 is: 180,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,148.70 : 559,778.40 = 120,346.08 : x
  2. Step 2: Convert to fraction form
    373,148.70/559,778.40 = 120,346.08/x
  3. Step 3: Cross multiply
    373,148.70x = 559,778.40 × 120,346.08
  4. Step 4: Simplify right side
    373,148.70x = 67,367,136,108.67
  5. Step 5: Solve for x
    x = 67,367,136,108.67/373,148.70
  6. Step 6: Final answer
    x = 180,536.97

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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.