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Finding the Fourth Proportional to 71,080.08, 106,076.11 and 63,498.50

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Solution

The fourth proportional to 71,080.08, 106,076.11 and 63,498.50 is: 94,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080.08 : 106,076.11 = 63,498.50 : x
  2. Step 2: Convert to fraction form
    71,080.08/106,076.11 = 63,498.50/x
  3. Step 3: Cross multiply
    71,080.08x = 106,076.11 × 63,498.50
  4. Step 4: Simplify right side
    71,080.08x = 6,735,673,870.84
  5. Step 5: Solve for x
    x = 6,735,673,870.84/71,080.08
  6. Step 6: Final answer
    x = 94,761.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.