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Finding the Fourth Proportional to 88,692.38, 122,398.06 and 48,408.72

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Solution

The fourth proportional to 88,692.38, 122,398.06 and 48,408.72 is: 66,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,692.38 : 122,398.06 = 48,408.72 : x
  2. Step 2: Convert to fraction form
    88,692.38/122,398.06 = 48,408.72/x
  3. Step 3: Cross multiply
    88,692.38x = 122,398.06 × 48,408.72
  4. Step 4: Simplify right side
    88,692.38x = 5,925,133,415.08
  5. Step 5: Solve for x
    x = 5,925,133,415.08/88,692.38
  6. Step 6: Final answer
    x = 66,805.44

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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.