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Finding the Fourth Proportional to 65,060.40, 97,705.80 and 50,305.20

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Solution

The fourth proportional to 65,060.40, 97,705.80 and 50,305.20 is: 75,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,060.40 : 97,705.80 = 50,305.20 : x
  2. Step 2: Convert to fraction form
    65,060.40/97,705.80 = 50,305.20/x
  3. Step 3: Cross multiply
    65,060.40x = 97,705.80 × 50,305.20
  4. Step 4: Simplify right side
    65,060.40x = 4,915,109,810.16
  5. Step 5: Solve for x
    x = 4,915,109,810.16/65,060.40
  6. Step 6: Final answer
    x = 75,546.87

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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.