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Finding the Fourth Proportional to 118,750.85, 163,876.23 and 65,039.24

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Solution

The fourth proportional to 118,750.85, 163,876.23 and 65,039.24 is: 89,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.85 : 163,876.23 = 65,039.24 : x
  2. Step 2: Convert to fraction form
    118,750.85/163,876.23 = 65,039.24/x
  3. Step 3: Cross multiply
    118,750.85x = 163,876.23 × 65,039.24
  4. Step 4: Simplify right side
    118,750.85x = 10,658,385,453.27
  5. Step 5: Solve for x
    x = 10,658,385,453.27/118,750.85
  6. Step 6: Final answer
    x = 89,754.18

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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.