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Finding the Fourth Proportional to 99,794.90, 149,692.35 and 40,600.10

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Solution

The fourth proportional to 99,794.90, 149,692.35 and 40,600.10 is: 60,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794.90 : 149,692.35 = 40,600.10 : x
  2. Step 2: Convert to fraction form
    99,794.90/149,692.35 = 40,600.10/x
  3. Step 3: Cross multiply
    99,794.90x = 149,692.35 × 40,600.10
  4. Step 4: Simplify right side
    99,794.90x = 6,077,524,379.24
  5. Step 5: Solve for x
    x = 6,077,524,379.24/99,794.90
  6. Step 6: Final answer
    x = 60,900.15

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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.