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Finding the Fourth Proportional to 65,496.60, 98,342.10 and 45,862.20

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Solution

The fourth proportional to 65,496.60, 98,342.10 and 45,862.20 is: 68,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,496.60 : 98,342.10 = 45,862.20 : x
  2. Step 2: Convert to fraction form
    65,496.60/98,342.10 = 45,862.20/x
  3. Step 3: Cross multiply
    65,496.60x = 98,342.10 × 45,862.20
  4. Step 4: Simplify right side
    65,496.60x = 4,510,185,058.62
  5. Step 5: Solve for x
    x = 4,510,185,058.62/65,496.60
  6. Step 6: Final answer
    x = 68,861.36

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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.