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Finding the Fourth Proportional to 154,101.40, 231,192.60 and 48,920.20

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Solution

The fourth proportional to 154,101.40, 231,192.60 and 48,920.20 is: 73,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,101.40 : 231,192.60 = 48,920.20 : x
  2. Step 2: Convert to fraction form
    154,101.40/231,192.60 = 48,920.20/x
  3. Step 3: Cross multiply
    154,101.40x = 231,192.60 × 48,920.20
  4. Step 4: Simplify right side
    154,101.40x = 11,309,988,230.52
  5. Step 5: Solve for x
    x = 11,309,988,230.52/154,101.40
  6. Step 6: Final answer
    x = 73,393.16

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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.