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Finding the Fourth Proportional to 286,809.62, 395,797.61 and 159,482.48

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Solution

The fourth proportional to 286,809.62, 395,797.61 and 159,482.48 is: 220,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,809.62 : 395,797.61 = 159,482.48 : x
  2. Step 2: Convert to fraction form
    286,809.62/395,797.61 = 159,482.48/x
  3. Step 3: Cross multiply
    286,809.62x = 395,797.61 × 159,482.48
  4. Step 4: Simplify right side
    286,809.62x = 63,122,785,809.07
  5. Step 5: Solve for x
    x = 63,122,785,809.07/286,809.62
  6. Step 6: Final answer
    x = 220,086.01

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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.