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Finding the Fourth Proportional to 162,526.20, 243,692.10 and 83,794.20

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Solution

The fourth proportional to 162,526.20, 243,692.10 and 83,794.20 is: 125,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,526.20 : 243,692.10 = 83,794.20 : x
  2. Step 2: Convert to fraction form
    162,526.20/243,692.10 = 83,794.20/x
  3. Step 3: Cross multiply
    162,526.20x = 243,692.10 × 83,794.20
  4. Step 4: Simplify right side
    162,526.20x = 20,419,984,565.82
  5. Step 5: Solve for x
    x = 20,419,984,565.82/162,526.20
  6. Step 6: Final answer
    x = 125,641.19

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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.