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Finding the Fourth Proportional to 60,290.67, 90,496.82 and 53,316.57

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Solution

The fourth proportional to 60,290.67, 90,496.82 and 53,316.57 is: 80,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290.67 : 90,496.82 = 53,316.57 : x
  2. Step 2: Convert to fraction form
    60,290.67/90,496.82 = 53,316.57/x
  3. Step 3: Cross multiply
    60,290.67x = 90,496.82 × 53,316.57
  4. Step 4: Simplify right side
    60,290.67x = 4,824,979,319.24
  5. Step 5: Solve for x
    x = 4,824,979,319.24/60,290.67
  6. Step 6: Final answer
    x = 80,028.63

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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.