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Finding the Fourth Proportional to 113,482.25, 156,610.37 and 63,181.25

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Solution

The fourth proportional to 113,482.25, 156,610.37 and 63,181.25 is: 87,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,482.25 : 156,610.37 = 63,181.25 : x
  2. Step 2: Convert to fraction form
    113,482.25/156,610.37 = 63,181.25/x
  3. Step 3: Cross multiply
    113,482.25x = 156,610.37 × 63,181.25
  4. Step 4: Simplify right side
    113,482.25x = 9,894,838,623.66
  5. Step 5: Solve for x
    x = 9,894,838,623.66/113,482.25
  6. Step 6: Final answer
    x = 87,192.83

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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.