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Finding the Fourth Proportional to 65,208.52, 97,864.62 and 55,956.70

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Solution

The fourth proportional to 65,208.52, 97,864.62 and 55,956.70 is: 83,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,208.52 : 97,864.62 = 55,956.70 : x
  2. Step 2: Convert to fraction form
    65,208.52/97,864.62 = 55,956.70/x
  3. Step 3: Cross multiply
    65,208.52x = 97,864.62 × 55,956.70
  4. Step 4: Simplify right side
    65,208.52x = 5,476,181,181.95
  5. Step 5: Solve for x
    x = 5,476,181,181.95/65,208.52
  6. Step 6: Final answer
    x = 83,979.53

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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.