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Finding the Fourth Proportional to 147,482.76, 203,526.60 and 80,414.76

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Solution

The fourth proportional to 147,482.76, 203,526.60 and 80,414.76 is: 110,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,482.76 : 203,526.60 = 80,414.76 : x
  2. Step 2: Convert to fraction form
    147,482.76/203,526.60 = 80,414.76/x
  3. Step 3: Cross multiply
    147,482.76x = 203,526.60 × 80,414.76
  4. Step 4: Simplify right side
    147,482.76x = 16,366,542,692.62
  5. Step 5: Solve for x
    x = 16,366,542,692.62/147,482.76
  6. Step 6: Final answer
    x = 110,972.58

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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.