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Finding the Fourth Proportional to 221,959.26, 333,660.63 and 178,066.20

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Solution

The fourth proportional to 221,959.26, 333,660.63 and 178,066.20 is: 267,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,959.26 : 333,660.63 = 178,066.20 : x
  2. Step 2: Convert to fraction form
    221,959.26/333,660.63 = 178,066.20/x
  3. Step 3: Cross multiply
    221,959.26x = 333,660.63 × 178,066.20
  4. Step 4: Simplify right side
    221,959.26x = 59,413,680,473.71
  5. Step 5: Solve for x
    x = 59,413,680,473.71/221,959.26
  6. Step 6: Final answer
    x = 267,678.31

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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.