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Finding the Fourth Proportional to 162,417.99, 243,626.98 and 67,692.79

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Solution

The fourth proportional to 162,417.99, 243,626.98 and 67,692.79 is: 101,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,417.99 : 243,626.98 = 67,692.79 : x
  2. Step 2: Convert to fraction form
    162,417.99/243,626.98 = 67,692.79/x
  3. Step 3: Cross multiply
    162,417.99x = 243,626.98 × 67,692.79
  4. Step 4: Simplify right side
    162,417.99x = 16,491,789,217.17
  5. Step 5: Solve for x
    x = 16,491,789,217.17/162,417.99
  6. Step 6: Final answer
    x = 101,539.18

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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.