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Finding the Fourth Proportional to 154,760.40, 232,179.48 and 61,254

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Solution

The fourth proportional to 154,760.40, 232,179.48 and 61,254 is: 91,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,760.40 : 232,179.48 = 61,254 : x
  2. Step 2: Convert to fraction form
    154,760.40/232,179.48 = 61,254/x
  3. Step 3: Cross multiply
    154,760.40x = 232,179.48 × 61,254
  4. Step 4: Simplify right side
    154,760.40x = 14,221,921,867.92
  5. Step 5: Solve for x
    x = 14,221,921,867.92/154,760.40
  6. Step 6: Final answer
    x = 91,896.39

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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.