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Finding the Fourth Proportional to 107,416.67, 161,125.07 and 40,841.42

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Solution

The fourth proportional to 107,416.67, 161,125.07 and 40,841.42 is: 61,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,416.67 : 161,125.07 = 40,841.42 : x
  2. Step 2: Convert to fraction form
    107,416.67/161,125.07 = 40,841.42/x
  3. Step 3: Cross multiply
    107,416.67x = 161,125.07 × 40,841.42
  4. Step 4: Simplify right side
    107,416.67x = 6,580,575,646.57
  5. Step 5: Solve for x
    x = 6,580,575,646.57/107,416.67
  6. Step 6: Final answer
    x = 61,262.15

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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.