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Finding the Fourth Proportional to 81,595.95, 122,396.94 and 22,436.25

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Solution

The fourth proportional to 81,595.95, 122,396.94 and 22,436.25 is: 33,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595.95 : 122,396.94 = 22,436.25 : x
  2. Step 2: Convert to fraction form
    81,595.95/122,396.94 = 22,436.25/x
  3. Step 3: Cross multiply
    81,595.95x = 122,396.94 × 22,436.25
  4. Step 4: Simplify right side
    81,595.95x = 2,746,128,345.08
  5. Step 5: Solve for x
    x = 2,746,128,345.08/81,595.95
  6. Step 6: Final answer
    x = 33,655.20

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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.