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Finding the Fourth Proportional to 108,514.58, 162,771.87 and 66,524.18

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Solution

The fourth proportional to 108,514.58, 162,771.87 and 66,524.18 is: 99,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,514.58 : 162,771.87 = 66,524.18 : x
  2. Step 2: Convert to fraction form
    108,514.58/162,771.87 = 66,524.18/x
  3. Step 3: Cross multiply
    108,514.58x = 162,771.87 × 66,524.18
  4. Step 4: Simplify right side
    108,514.58x = 10,828,264,032.34
  5. Step 5: Solve for x
    x = 10,828,264,032.34/108,514.58
  6. Step 6: Final answer
    x = 99,786.26

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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.