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Finding the Fourth Proportional to 101,276.28, 139,702.86 and 60,962.04

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Solution

The fourth proportional to 101,276.28, 139,702.86 and 60,962.04 is: 84,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,276.28 : 139,702.86 = 60,962.04 : x
  2. Step 2: Convert to fraction form
    101,276.28/139,702.86 = 60,962.04/x
  3. Step 3: Cross multiply
    101,276.28x = 139,702.86 × 60,962.04
  4. Step 4: Simplify right side
    101,276.28x = 8,516,571,339.43
  5. Step 5: Solve for x
    x = 8,516,571,339.43/101,276.28
  6. Step 6: Final answer
    x = 84,092.46

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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.