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Finding the Fourth Proportional to 131,889.88, 182,008.26 and 71,460.52

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Solution

The fourth proportional to 131,889.88, 182,008.26 and 71,460.52 is: 98,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.88 : 182,008.26 = 71,460.52 : x
  2. Step 2: Convert to fraction form
    131,889.88/182,008.26 = 71,460.52/x
  3. Step 3: Cross multiply
    131,889.88x = 182,008.26 × 71,460.52
  4. Step 4: Simplify right side
    131,889.88x = 13,006,404,903.90
  5. Step 5: Solve for x
    x = 13,006,404,903.90/131,889.88
  6. Step 6: Final answer
    x = 98,615.64

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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.