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Finding the Fourth Proportional to 88,809.39, 122,611.62 and 57,034.29

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Solution

The fourth proportional to 88,809.39, 122,611.62 and 57,034.29 is: 78,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,809.39 : 122,611.62 = 57,034.29 : x
  2. Step 2: Convert to fraction form
    88,809.39/122,611.62 = 57,034.29/x
  3. Step 3: Cross multiply
    88,809.39x = 122,611.62 × 57,034.29
  4. Step 4: Simplify right side
    88,809.39x = 6,993,066,692.45
  5. Step 5: Solve for x
    x = 6,993,066,692.45/88,809.39
  6. Step 6: Final answer
    x = 78,742.42

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1.5x scale

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.