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Finding the Fourth Proportional to 60,110.80, 89,993.40 and 36,782.80

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Solution

The fourth proportional to 60,110.80, 89,993.40 and 36,782.80 is: 55,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,110.80 : 89,993.40 = 36,782.80 : x
  2. Step 2: Convert to fraction form
    60,110.80/89,993.40 = 36,782.80/x
  3. Step 3: Cross multiply
    60,110.80x = 89,993.40 × 36,782.80
  4. Step 4: Simplify right side
    60,110.80x = 3,310,209,233.52
  5. Step 5: Solve for x
    x = 3,310,209,233.52/60,110.80
  6. Step 6: Final answer
    x = 55,068.46

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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.