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Finding the Fourth Proportional to 70,924.61, 106,419.24 and 26,554.83

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Solution

The fourth proportional to 70,924.61, 106,419.24 and 26,554.83 is: 39,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.61 : 106,419.24 = 26,554.83 : x
  2. Step 2: Convert to fraction form
    70,924.61/106,419.24 = 26,554.83/x
  3. Step 3: Cross multiply
    70,924.61x = 106,419.24 × 26,554.83
  4. Step 4: Simplify right side
    70,924.61x = 2,825,944,826.93
  5. Step 5: Solve for x
    x = 2,825,944,826.93/70,924.61
  6. Step 6: Final answer
    x = 39,844.35

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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.