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Finding the Fourth Proportional to 65,098.80, 97,680.60 and 37,040.40

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Solution

The fourth proportional to 65,098.80, 97,680.60 and 37,040.40 is: 55,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,098.80 : 97,680.60 = 37,040.40 : x
  2. Step 2: Convert to fraction form
    65,098.80/97,680.60 = 37,040.40/x
  3. Step 3: Cross multiply
    65,098.80x = 97,680.60 × 37,040.40
  4. Step 4: Simplify right side
    65,098.80x = 3,618,128,496.24
  5. Step 5: Solve for x
    x = 3,618,128,496.24/65,098.80
  6. Step 6: Final answer
    x = 55,579.04

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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.