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Finding the Fourth Proportional to 365,926.60, 548,630.70 and 141,200.20

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Solution

The fourth proportional to 365,926.60, 548,630.70 and 141,200.20 is: 211,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,926.60 : 548,630.70 = 141,200.20 : x
  2. Step 2: Convert to fraction form
    365,926.60/548,630.70 = 141,200.20/x
  3. Step 3: Cross multiply
    365,926.60x = 548,630.70 × 141,200.20
  4. Step 4: Simplify right side
    365,926.60x = 77,466,764,566.14
  5. Step 5: Solve for x
    x = 77,466,764,566.14/365,926.60
  6. Step 6: Final answer
    x = 211,700.28

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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.