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Finding the Fourth Proportional to 203,532.67, 280,550.55 and 160,441.89

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Solution

The fourth proportional to 203,532.67, 280,550.55 and 160,441.89 is: 221,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,532.67 : 280,550.55 = 160,441.89 : x
  2. Step 2: Convert to fraction form
    203,532.67/280,550.55 = 160,441.89/x
  3. Step 3: Cross multiply
    203,532.67x = 280,550.55 × 160,441.89
  4. Step 4: Simplify right side
    203,532.67x = 45,012,060,482.54
  5. Step 5: Solve for x
    x = 45,012,060,482.54/203,532.67
  6. Step 6: Final answer
    x = 221,153.98

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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.