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Finding the Fourth Proportional to 281,035.44, 421,468.08 and 147,842.24

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Solution

The fourth proportional to 281,035.44, 421,468.08 and 147,842.24 is: 221,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,035.44 : 421,468.08 = 147,842.24 : x
  2. Step 2: Convert to fraction form
    281,035.44/421,468.08 = 147,842.24/x
  3. Step 3: Cross multiply
    281,035.44x = 421,468.08 × 147,842.24
  4. Step 4: Simplify right side
    281,035.44x = 62,310,785,035.70
  5. Step 5: Solve for x
    x = 62,310,785,035.70/281,035.44
  6. Step 6: Final answer
    x = 221,718.60

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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.