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Finding the Fourth Proportional to 61,581.60, 92,372.40 and 22,142.70

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Solution

The fourth proportional to 61,581.60, 92,372.40 and 22,142.70 is: 33,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,581.60 : 92,372.40 = 22,142.70 : x
  2. Step 2: Convert to fraction form
    61,581.60/92,372.40 = 22,142.70/x
  3. Step 3: Cross multiply
    61,581.60x = 92,372.40 × 22,142.70
  4. Step 4: Simplify right side
    61,581.60x = 2,045,374,341.48
  5. Step 5: Solve for x
    x = 2,045,374,341.48/61,581.60
  6. Step 6: Final answer
    x = 33,214.05

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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.