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Finding the Fourth Proportional to 59,356.68, 81,919.80 and 34,206.36

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Solution

The fourth proportional to 59,356.68, 81,919.80 and 34,206.36 is: 47,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,356.68 : 81,919.80 = 34,206.36 : x
  2. Step 2: Convert to fraction form
    59,356.68/81,919.80 = 34,206.36/x
  3. Step 3: Cross multiply
    59,356.68x = 81,919.80 × 34,206.36
  4. Step 4: Simplify right side
    59,356.68x = 2,802,178,169.93
  5. Step 5: Solve for x
    x = 2,802,178,169.93/59,356.68
  6. Step 6: Final answer
    x = 47,209.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.