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Finding the Fourth Proportional to 88,672.32, 133,008.48 and 59,147.82

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Solution

The fourth proportional to 88,672.32, 133,008.48 and 59,147.82 is: 88,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672.32 : 133,008.48 = 59,147.82 : x
  2. Step 2: Convert to fraction form
    88,672.32/133,008.48 = 59,147.82/x
  3. Step 3: Cross multiply
    88,672.32x = 133,008.48 × 59,147.82
  4. Step 4: Simplify right side
    88,672.32x = 7,867,161,633.51
  5. Step 5: Solve for x
    x = 7,867,161,633.51/88,672.32
  6. Step 6: Final answer
    x = 88,721.73

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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.