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Finding the Fourth Proportional to 108,734.88, 150,054.41 and 63,444

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Solution

The fourth proportional to 108,734.88, 150,054.41 and 63,444 is: 87,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,734.88 : 150,054.41 = 63,444 : x
  2. Step 2: Convert to fraction form
    108,734.88/150,054.41 = 63,444/x
  3. Step 3: Cross multiply
    108,734.88x = 150,054.41 × 63,444
  4. Step 4: Simplify right side
    108,734.88x = 9,520,051,988.04
  5. Step 5: Solve for x
    x = 9,520,051,988.04/108,734.88
  6. Step 6: Final answer
    x = 87,552.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.