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Finding the Fourth Proportional to 65,295.75, 97,943.61 and 43,103.93

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Solution

The fourth proportional to 65,295.75, 97,943.61 and 43,103.93 is: 64,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,295.75 : 97,943.61 = 43,103.93 : x
  2. Step 2: Convert to fraction form
    65,295.75/97,943.61 = 43,103.93/x
  3. Step 3: Cross multiply
    65,295.75x = 97,943.61 × 43,103.93
  4. Step 4: Simplify right side
    65,295.75x = 4,221,754,181.31
  5. Step 5: Solve for x
    x = 4,221,754,181.31/65,295.75
  6. Step 6: Final answer
    x = 64,655.88

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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.