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Finding the Fourth Proportional to 75,999.66, 104,877.70 and 41,542.86

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Solution

The fourth proportional to 75,999.66, 104,877.70 and 41,542.86 is: 57,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.66 : 104,877.70 = 41,542.86 : x
  2. Step 2: Convert to fraction form
    75,999.66/104,877.70 = 41,542.86/x
  3. Step 3: Cross multiply
    75,999.66x = 104,877.70 × 41,542.86
  4. Step 4: Simplify right side
    75,999.66x = 4,356,919,608.22
  5. Step 5: Solve for x
    x = 4,356,919,608.22/75,999.66
  6. Step 6: Final answer
    x = 57,328.15

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1.5x scale

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.