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Finding the Fourth Proportional to 70,943.68, 106,448.10 and 26,574.04

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Solution

The fourth proportional to 70,943.68, 106,448.10 and 26,574.04 is: 39,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.68 : 106,448.10 = 26,574.04 : x
  2. Step 2: Convert to fraction form
    70,943.68/106,448.10 = 26,574.04/x
  3. Step 3: Cross multiply
    70,943.68x = 106,448.10 × 26,574.04
  4. Step 4: Simplify right side
    70,943.68x = 2,828,756,067.32
  5. Step 5: Solve for x
    x = 2,828,756,067.32/70,943.68
  6. Step 6: Final answer
    x = 39,873.26

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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.