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Finding the Fourth Proportional to 65,656.62, 98,536.50 and 45,805.95

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Solution

The fourth proportional to 65,656.62, 98,536.50 and 45,805.95 is: 68,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,656.62 : 98,536.50 = 45,805.95 : x
  2. Step 2: Convert to fraction form
    65,656.62/98,536.50 = 45,805.95/x
  3. Step 3: Cross multiply
    65,656.62x = 98,536.50 × 45,805.95
  4. Step 4: Simplify right side
    65,656.62x = 4,513,557,992.18
  5. Step 5: Solve for x
    x = 4,513,557,992.18/65,656.62
  6. Step 6: Final answer
    x = 68,744.90

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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.