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Finding the Fourth Proportional to 101,627.49, 140,242.20 and 58,608.80

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Solution

The fourth proportional to 101,627.49, 140,242.20 and 58,608.80 is: 80,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,627.49 : 140,242.20 = 58,608.80 : x
  2. Step 2: Convert to fraction form
    101,627.49/140,242.20 = 58,608.80/x
  3. Step 3: Cross multiply
    101,627.49x = 140,242.20 × 58,608.80
  4. Step 4: Simplify right side
    101,627.49x = 8,219,426,350.15
  5. Step 5: Solve for x
    x = 8,219,426,350.15/101,627.49
  6. Step 6: Final answer
    x = 80,877.98

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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.