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Finding the Fourth Proportional to 132,692.20, 199,038.30 and 73,497.40

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Solution

The fourth proportional to 132,692.20, 199,038.30 and 73,497.40 is: 110,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,692.20 : 199,038.30 = 73,497.40 : x
  2. Step 2: Convert to fraction form
    132,692.20/199,038.30 = 73,497.40/x
  3. Step 3: Cross multiply
    132,692.20x = 199,038.30 × 73,497.40
  4. Step 4: Simplify right side
    132,692.20x = 14,628,797,550.42
  5. Step 5: Solve for x
    x = 14,628,797,550.42/132,692.20
  6. Step 6: Final answer
    x = 110,246.10

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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.