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Finding the Fourth Proportional to 108,710.32, 163,054.56 and 29,832.48

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Solution

The fourth proportional to 108,710.32, 163,054.56 and 29,832.48 is: 44,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.32 : 163,054.56 = 29,832.48 : x
  2. Step 2: Convert to fraction form
    108,710.32/163,054.56 = 29,832.48/x
  3. Step 3: Cross multiply
    108,710.32x = 163,054.56 × 29,832.48
  4. Step 4: Simplify right side
    108,710.32x = 4,864,321,900.11
  5. Step 5: Solve for x
    x = 4,864,321,900.11/108,710.32
  6. Step 6: Final answer
    x = 44,745.72

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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.