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Finding the Fourth Proportional to 163,755.32, 245,580.72 and 63,891.20

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Solution

The fourth proportional to 163,755.32, 245,580.72 and 63,891.20 is: 95,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,755.32 : 245,580.72 = 63,891.20 : x
  2. Step 2: Convert to fraction form
    163,755.32/245,580.72 = 63,891.20/x
  3. Step 3: Cross multiply
    163,755.32x = 245,580.72 × 63,891.20
  4. Step 4: Simplify right side
    163,755.32x = 15,690,446,897.66
  5. Step 5: Solve for x
    x = 15,690,446,897.66/163,755.32
  6. Step 6: Final answer
    x = 95,816.41

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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.