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Finding the Fourth Proportional to 83,606.87, 125,498.99 and 74,051.77

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Solution

The fourth proportional to 83,606.87, 125,498.99 and 74,051.77 is: 111,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.87 : 125,498.99 = 74,051.77 : x
  2. Step 2: Convert to fraction form
    83,606.87/125,498.99 = 74,051.77/x
  3. Step 3: Cross multiply
    83,606.87x = 125,498.99 × 74,051.77
  4. Step 4: Simplify right side
    83,606.87x = 9,293,422,342.71
  5. Step 5: Solve for x
    x = 9,293,422,342.71/83,606.87
  6. Step 6: Final answer
    x = 111,156.20

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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.