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Finding the Fourth Proportional to 341,374.74, 512,071.44 and 88,649.57

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Solution

The fourth proportional to 341,374.74, 512,071.44 and 88,649.57 is: 132,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,374.74 : 512,071.44 = 88,649.57 : x
  2. Step 2: Convert to fraction form
    341,374.74/512,071.44 = 88,649.57/x
  3. Step 3: Cross multiply
    341,374.74x = 512,071.44 × 88,649.57
  4. Step 4: Simplify right side
    341,374.74x = 45,394,913,913.02
  5. Step 5: Solve for x
    x = 45,394,913,913.02/341,374.74
  6. Step 6: Final answer
    x = 132,976.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.