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Finding the Fourth Proportional to 65,397.64, 98,139.54 and 35,836.22

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Solution

The fourth proportional to 65,397.64, 98,139.54 and 35,836.22 is: 53,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.64 : 98,139.54 = 35,836.22 : x
  2. Step 2: Convert to fraction form
    65,397.64/98,139.54 = 35,836.22/x
  3. Step 3: Cross multiply
    65,397.64x = 98,139.54 × 35,836.22
  4. Step 4: Simplify right side
    65,397.64x = 3,516,950,146.14
  5. Step 5: Solve for x
    x = 3,516,950,146.14/65,397.64
  6. Step 6: Final answer
    x = 53,777.94

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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.