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Finding the Fourth Proportional to 188,754.60, 283,133.34 and 68,897.46

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Solution

The fourth proportional to 188,754.60, 283,133.34 and 68,897.46 is: 103,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,754.60 : 283,133.34 = 68,897.46 : x
  2. Step 2: Convert to fraction form
    188,754.60/283,133.34 = 68,897.46/x
  3. Step 3: Cross multiply
    188,754.60x = 283,133.34 × 68,897.46
  4. Step 4: Simplify right side
    188,754.60x = 19,507,167,967.32
  5. Step 5: Solve for x
    x = 19,507,167,967.32/188,754.60
  6. Step 6: Final answer
    x = 103,346.72

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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.