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Finding the Fourth Proportional to 203,692.43, 280,098.51 and 176,788.08

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Solution

The fourth proportional to 203,692.43, 280,098.51 and 176,788.08 is: 243,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,692.43 : 280,098.51 = 176,788.08 : x
  2. Step 2: Convert to fraction form
    203,692.43/280,098.51 = 176,788.08/x
  3. Step 3: Cross multiply
    203,692.43x = 280,098.51 × 176,788.08
  4. Step 4: Simplify right side
    203,692.43x = 49,518,077,793.76
  5. Step 5: Solve for x
    x = 49,518,077,793.76/203,692.43
  6. Step 6: Final answer
    x = 243,102.21

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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.