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Finding the Fourth Proportional to 71,897.90, 107,852.31 and 24,498.32

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Solution

The fourth proportional to 71,897.90, 107,852.31 and 24,498.32 is: 36,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.90 : 107,852.31 = 24,498.32 : x
  2. Step 2: Convert to fraction form
    71,897.90/107,852.31 = 24,498.32/x
  3. Step 3: Cross multiply
    71,897.90x = 107,852.31 × 24,498.32
  4. Step 4: Simplify right side
    71,897.90x = 2,642,199,863.86
  5. Step 5: Solve for x
    x = 2,642,199,863.86/71,897.90
  6. Step 6: Final answer
    x = 36,749.34

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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.