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Finding the Fourth Proportional to 70,957.16, 106,422.37 and 26,574.42

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Solution

The fourth proportional to 70,957.16, 106,422.37 and 26,574.42 is: 39,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957.16 : 106,422.37 = 26,574.42 : x
  2. Step 2: Convert to fraction form
    70,957.16/106,422.37 = 26,574.42/x
  3. Step 3: Cross multiply
    70,957.16x = 106,422.37 × 26,574.42
  4. Step 4: Simplify right side
    70,957.16x = 2,828,112,691.34
  5. Step 5: Solve for x
    x = 2,828,112,691.34/70,957.16
  6. Step 6: Final answer
    x = 39,856.62

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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.