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Finding the Fourth Proportional to 73,955.84, 110,604.35 and 65,689.52

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Solution

The fourth proportional to 73,955.84, 110,604.35 and 65,689.52 is: 98,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,955.84 : 110,604.35 = 65,689.52 : x
  2. Step 2: Convert to fraction form
    73,955.84/110,604.35 = 65,689.52/x
  3. Step 3: Cross multiply
    73,955.84x = 110,604.35 × 65,689.52
  4. Step 4: Simplify right side
    73,955.84x = 7,265,546,272.61
  5. Step 5: Solve for x
    x = 7,265,546,272.61/73,955.84
  6. Step 6: Final answer
    x = 98,241.69

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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.