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Finding the Fourth Proportional to 361,459.04, 542,184.64 and 148,179.39

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Solution

The fourth proportional to 361,459.04, 542,184.64 and 148,179.39 is: 222,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,459.04 : 542,184.64 = 148,179.39 : x
  2. Step 2: Convert to fraction form
    361,459.04/542,184.64 = 148,179.39/x
  3. Step 3: Cross multiply
    361,459.04x = 542,184.64 × 148,179.39
  4. Step 4: Simplify right side
    361,459.04x = 80,340,587,581.38
  5. Step 5: Solve for x
    x = 80,340,587,581.38/361,459.04
  6. Step 6: Final answer
    x = 222,267.47

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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.