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Finding the Fourth Proportional to 109,692.24, 151,366.56 and 61,950.24

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Solution

The fourth proportional to 109,692.24, 151,366.56 and 61,950.24 is: 85,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,692.24 : 151,366.56 = 61,950.24 : x
  2. Step 2: Convert to fraction form
    109,692.24/151,366.56 = 61,950.24/x
  3. Step 3: Cross multiply
    109,692.24x = 151,366.56 × 61,950.24
  4. Step 4: Simplify right side
    109,692.24x = 9,377,194,719.97
  5. Step 5: Solve for x
    x = 9,377,194,719.97/109,692.24
  6. Step 6: Final answer
    x = 85,486.40

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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.