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Finding the Fourth Proportional to 281,869.92, 388,883.52 and 167,124.96

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Solution

The fourth proportional to 281,869.92, 388,883.52 and 167,124.96 is: 230,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,869.92 : 388,883.52 = 167,124.96 : x
  2. Step 2: Convert to fraction form
    281,869.92/388,883.52 = 167,124.96/x
  3. Step 3: Cross multiply
    281,869.92x = 388,883.52 × 167,124.96
  4. Step 4: Simplify right side
    281,869.92x = 64,992,142,724.66
  5. Step 5: Solve for x
    x = 64,992,142,724.66/281,869.92
  6. Step 6: Final answer
    x = 230,574.95

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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.