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Finding the Fourth Proportional to 102,754.91, 154,131.64 and 52,848.92

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Solution

The fourth proportional to 102,754.91, 154,131.64 and 52,848.92 is: 79,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,754.91 : 154,131.64 = 52,848.92 : x
  2. Step 2: Convert to fraction form
    102,754.91/154,131.64 = 52,848.92/x
  3. Step 3: Cross multiply
    102,754.91x = 154,131.64 × 52,848.92
  4. Step 4: Simplify right side
    102,754.91x = 8,145,690,711.83
  5. Step 5: Solve for x
    x = 8,145,690,711.83/102,754.91
  6. Step 6: Final answer
    x = 79,273.01

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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.