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Finding the Fourth Proportional to 265,909.48, 398,777.66 and 88,368.82

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Solution

The fourth proportional to 265,909.48, 398,777.66 and 88,368.82 is: 132,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,909.48 : 398,777.66 = 88,368.82 : x
  2. Step 2: Convert to fraction form
    265,909.48/398,777.66 = 88,368.82/x
  3. Step 3: Cross multiply
    265,909.48x = 398,777.66 × 88,368.82
  4. Step 4: Simplify right side
    265,909.48x = 35,239,511,256.56
  5. Step 5: Solve for x
    x = 35,239,511,256.56/265,909.48
  6. Step 6: Final answer
    x = 132,524.46

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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.