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Finding the Fourth Proportional to 79,114.67, 109,156.65 and 45,110.75

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Solution

The fourth proportional to 79,114.67, 109,156.65 and 45,110.75 is: 62,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.67 : 109,156.65 = 45,110.75 : x
  2. Step 2: Convert to fraction form
    79,114.67/109,156.65 = 45,110.75/x
  3. Step 3: Cross multiply
    79,114.67x = 109,156.65 × 45,110.75
  4. Step 4: Simplify right side
    79,114.67x = 4,924,138,348.99
  5. Step 5: Solve for x
    x = 4,924,138,348.99/79,114.67
  6. Step 6: Final answer
    x = 62,240.52

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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.