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Finding the Fourth Proportional to 60,176.40, 90,239.01 and 18,062.46

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Solution

The fourth proportional to 60,176.40, 90,239.01 and 18,062.46 is: 27,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,176.40 : 90,239.01 = 18,062.46 : x
  2. Step 2: Convert to fraction form
    60,176.40/90,239.01 = 18,062.46/x
  3. Step 3: Cross multiply
    60,176.40x = 90,239.01 × 18,062.46
  4. Step 4: Simplify right side
    60,176.40x = 1,629,938,508.56
  5. Step 5: Solve for x
    x = 1,629,938,508.56/60,176.40
  6. Step 6: Final answer
    x = 27,086.01

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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.