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Finding the Fourth Proportional to 161,570.60, 242,355.48 and 43,241.95

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Solution

The fourth proportional to 161,570.60, 242,355.48 and 43,241.95 is: 64,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570.60 : 242,355.48 = 43,241.95 : x
  2. Step 2: Convert to fraction form
    161,570.60/242,355.48 = 43,241.95/x
  3. Step 3: Cross multiply
    161,570.60x = 242,355.48 × 43,241.95
  4. Step 4: Simplify right side
    161,570.60x = 10,479,923,689.17
  5. Step 5: Solve for x
    x = 10,479,923,689.17/161,570.60
  6. Step 6: Final answer
    x = 64,862.81

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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.