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Finding the Fourth Proportional to 188,691.24, 283,027.62 and 70,353.34

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Solution

The fourth proportional to 188,691.24, 283,027.62 and 70,353.34 is: 105,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,691.24 : 283,027.62 = 70,353.34 : x
  2. Step 2: Convert to fraction form
    188,691.24/283,027.62 = 70,353.34/x
  3. Step 3: Cross multiply
    188,691.24x = 283,027.62 × 70,353.34
  4. Step 4: Simplify right side
    188,691.24x = 19,911,938,379.25
  5. Step 5: Solve for x
    x = 19,911,938,379.25/188,691.24
  6. Step 6: Final answer
    x = 105,526.56

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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.