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Finding the Fourth Proportional to 109,876.70, 151,629.84 and 59,575.70

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Solution

The fourth proportional to 109,876.70, 151,629.84 and 59,575.70 is: 82,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,876.70 : 151,629.84 = 59,575.70 : x
  2. Step 2: Convert to fraction form
    109,876.70/151,629.84 = 59,575.70/x
  3. Step 3: Cross multiply
    109,876.70x = 151,629.84 × 59,575.70
  4. Step 4: Simplify right side
    109,876.70x = 9,033,453,100.74
  5. Step 5: Solve for x
    x = 9,033,453,100.74/109,876.70
  6. Step 6: Final answer
    x = 82,214.46

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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.