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Finding the Fourth Proportional to 101,481.88, 152,363.62 and 63,931.09

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Solution

The fourth proportional to 101,481.88, 152,363.62 and 63,931.09 is: 95,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,481.88 : 152,363.62 = 63,931.09 : x
  2. Step 2: Convert to fraction form
    101,481.88/152,363.62 = 63,931.09/x
  3. Step 3: Cross multiply
    101,481.88x = 152,363.62 × 63,931.09
  4. Step 4: Simplify right side
    101,481.88x = 9,740,772,302.95
  5. Step 5: Solve for x
    x = 9,740,772,302.95/101,481.88
  6. Step 6: Final answer
    x = 95,985.34

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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.