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Finding the Fourth Proportional to 162,497.52, 243,745.80 and 57,291.12

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Solution

The fourth proportional to 162,497.52, 243,745.80 and 57,291.12 is: 85,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,497.52 : 243,745.80 = 57,291.12 : x
  2. Step 2: Convert to fraction form
    162,497.52/243,745.80 = 57,291.12/x
  3. Step 3: Cross multiply
    162,497.52x = 243,745.80 × 57,291.12
  4. Step 4: Simplify right side
    162,497.52x = 13,964,469,877.30
  5. Step 5: Solve for x
    x = 13,964,469,877.30/162,497.52
  6. Step 6: Final answer
    x = 85,936.51

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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.