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Finding the Fourth Proportional to 108,729.52, 163,141.44 and 58,844.80

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Solution

The fourth proportional to 108,729.52, 163,141.44 and 58,844.80 is: 88,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.52 : 163,141.44 = 58,844.80 : x
  2. Step 2: Convert to fraction form
    108,729.52/163,141.44 = 58,844.80/x
  3. Step 3: Cross multiply
    108,729.52x = 163,141.44 × 58,844.80
  4. Step 4: Simplify right side
    108,729.52x = 9,600,025,408.51
  5. Step 5: Solve for x
    x = 9,600,025,408.51/108,729.52
  6. Step 6: Final answer
    x = 88,292.72

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1.5x scale

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.