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Finding the Fourth Proportional to 60,028.80, 89,924.40 and 52,641.60

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Solution

The fourth proportional to 60,028.80, 89,924.40 and 52,641.60 is: 78,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,028.80 : 89,924.40 = 52,641.60 : x
  2. Step 2: Convert to fraction form
    60,028.80/89,924.40 = 52,641.60/x
  3. Step 3: Cross multiply
    60,028.80x = 89,924.40 × 52,641.60
  4. Step 4: Simplify right side
    60,028.80x = 4,733,764,295.04
  5. Step 5: Solve for x
    x = 4,733,764,295.04/60,028.80
  6. Step 6: Final answer
    x = 78,858.22

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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.