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Finding the Fourth Proportional to 98,348.60, 135,733.26 and 60,100.28

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Solution

The fourth proportional to 98,348.60, 135,733.26 and 60,100.28 is: 82,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348.60 : 135,733.26 = 60,100.28 : x
  2. Step 2: Convert to fraction form
    98,348.60/135,733.26 = 60,100.28/x
  3. Step 3: Cross multiply
    98,348.60x = 135,733.26 × 60,100.28
  4. Step 4: Simplify right side
    98,348.60x = 8,157,606,931.31
  5. Step 5: Solve for x
    x = 8,157,606,931.31/98,348.60
  6. Step 6: Final answer
    x = 82,945.84

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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.