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Finding the Fourth Proportional to 250,033.88, 344,978.52 and 142,564.70

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Solution

The fourth proportional to 250,033.88, 344,978.52 and 142,564.70 is: 196,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033.88 : 344,978.52 = 142,564.70 : x
  2. Step 2: Convert to fraction form
    250,033.88/344,978.52 = 142,564.70/x
  3. Step 3: Cross multiply
    250,033.88x = 344,978.52 × 142,564.70
  4. Step 4: Simplify right side
    250,033.88x = 49,181,759,210.24
  5. Step 5: Solve for x
    x = 49,181,759,210.24/250,033.88
  6. Step 6: Final answer
    x = 196,700.38

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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.