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Finding the Fourth Proportional to 154,034.60, 231,076.20 and 48,864.20

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Solution

The fourth proportional to 154,034.60, 231,076.20 and 48,864.20 is: 73,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.60 : 231,076.20 = 48,864.20 : x
  2. Step 2: Convert to fraction form
    154,034.60/231,076.20 = 48,864.20/x
  3. Step 3: Cross multiply
    154,034.60x = 231,076.20 × 48,864.20
  4. Step 4: Simplify right side
    154,034.60x = 11,291,353,652.04
  5. Step 5: Solve for x
    x = 11,291,353,652.04/154,034.60
  6. Step 6: Final answer
    x = 73,304.01

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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.