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Finding the Fourth Proportional to 255,266.58, 352,261.71 and 159,825.90

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Solution

The fourth proportional to 255,266.58, 352,261.71 and 159,825.90 is: 220,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,266.58 : 352,261.71 = 159,825.90 : x
  2. Step 2: Convert to fraction form
    255,266.58/352,261.71 = 159,825.90/x
  3. Step 3: Cross multiply
    255,266.58x = 352,261.71 × 159,825.90
  4. Step 4: Simplify right side
    255,266.58x = 56,300,544,836.29
  5. Step 5: Solve for x
    x = 56,300,544,836.29/255,266.58
  6. Step 6: Final answer
    x = 220,555.88

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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.