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Finding the Fourth Proportional to 79,702.17, 110,041.93 and 49,532.51

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Solution

The fourth proportional to 79,702.17, 110,041.93 and 49,532.51 is: 68,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702.17 : 110,041.93 = 49,532.51 : x
  2. Step 2: Convert to fraction form
    79,702.17/110,041.93 = 49,532.51/x
  3. Step 3: Cross multiply
    79,702.17x = 110,041.93 × 49,532.51
  4. Step 4: Simplify right side
    79,702.17x = 5,450,652,200.27
  5. Step 5: Solve for x
    x = 5,450,652,200.27/79,702.17
  6. Step 6: Final answer
    x = 68,387.75

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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.