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Finding the Fourth Proportional to 124,092.78, 186,168.34 and 35,347.56

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Solution

The fourth proportional to 124,092.78, 186,168.34 and 35,347.56 is: 53,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,092.78 : 186,168.34 = 35,347.56 : x
  2. Step 2: Convert to fraction form
    124,092.78/186,168.34 = 35,347.56/x
  3. Step 3: Cross multiply
    124,092.78x = 186,168.34 × 35,347.56
  4. Step 4: Simplify right side
    124,092.78x = 6,580,596,568.25
  5. Step 5: Solve for x
    x = 6,580,596,568.25/124,092.78
  6. Step 6: Final answer
    x = 53,029.65

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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.