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Finding the Fourth Proportional to 59,281.84, 81,811.56 and 34,139.44

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Solution

The fourth proportional to 59,281.84, 81,811.56 and 34,139.44 is: 47,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,281.84 : 81,811.56 = 34,139.44 : x
  2. Step 2: Convert to fraction form
    59,281.84/81,811.56 = 34,139.44/x
  3. Step 3: Cross multiply
    59,281.84x = 81,811.56 × 34,139.44
  4. Step 4: Simplify right side
    59,281.84x = 2,793,000,843.93
  5. Step 5: Solve for x
    x = 2,793,000,843.93/59,281.84
  6. Step 6: Final answer
    x = 47,113.94

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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.