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Finding the Fourth Proportional to 165,718.98, 248,610.96 and 65,860.56

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Solution

The fourth proportional to 165,718.98, 248,610.96 and 65,860.56 is: 98,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,718.98 : 248,610.96 = 65,860.56 : x
  2. Step 2: Convert to fraction form
    165,718.98/248,610.96 = 65,860.56/x
  3. Step 3: Cross multiply
    165,718.98x = 248,610.96 × 65,860.56
  4. Step 4: Simplify right side
    165,718.98x = 16,373,657,047.74
  5. Step 5: Solve for x
    x = 16,373,657,047.74/165,718.98
  6. Step 6: Final answer
    x = 98,803.75

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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.