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Finding the Fourth Proportional to 164,689.88, 247,069.67 and 63,490.55

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Solution

The fourth proportional to 164,689.88, 247,069.67 and 63,490.55 is: 95,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,689.88 : 247,069.67 = 63,490.55 : x
  2. Step 2: Convert to fraction form
    164,689.88/247,069.67 = 63,490.55/x
  3. Step 3: Cross multiply
    164,689.88x = 247,069.67 × 63,490.55
  4. Step 4: Simplify right side
    164,689.88x = 15,686,587,683.82
  5. Step 5: Solve for x
    x = 15,686,587,683.82/164,689.88
  6. Step 6: Final answer
    x = 95,249.25

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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.