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Finding the Fourth Proportional to 159,245.13, 238,904.60 and 54,064.10

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Solution

The fourth proportional to 159,245.13, 238,904.60 and 54,064.10 is: 81,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,245.13 : 238,904.60 = 54,064.10 : x
  2. Step 2: Convert to fraction form
    159,245.13/238,904.60 = 54,064.10/x
  3. Step 3: Cross multiply
    159,245.13x = 238,904.60 × 54,064.10
  4. Step 4: Simplify right side
    159,245.13x = 12,916,162,184.86
  5. Step 5: Solve for x
    x = 12,916,162,184.86/159,245.13
  6. Step 6: Final answer
    x = 81,108.68

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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.