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Finding the Fourth Proportional to 83,476.56, 125,296.83 and 61,226.58

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Solution

The fourth proportional to 83,476.56, 125,296.83 and 61,226.58 is: 91,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.56 : 125,296.83 = 61,226.58 : x
  2. Step 2: Convert to fraction form
    83,476.56/125,296.83 = 61,226.58/x
  3. Step 3: Cross multiply
    83,476.56x = 125,296.83 × 61,226.58
  4. Step 4: Simplify right side
    83,476.56x = 7,671,496,385.74
  5. Step 5: Solve for x
    x = 7,671,496,385.74/83,476.56
  6. Step 6: Final answer
    x = 91,900.01

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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.