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Finding the Fourth Proportional to 59,212.30, 88,867.05 and 57,268.30

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Solution

The fourth proportional to 59,212.30, 88,867.05 and 57,268.30 is: 85,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,212.30 : 88,867.05 = 57,268.30 : x
  2. Step 2: Convert to fraction form
    59,212.30/88,867.05 = 57,268.30/x
  3. Step 3: Cross multiply
    59,212.30x = 88,867.05 × 57,268.30
  4. Step 4: Simplify right side
    59,212.30x = 5,089,264,879.52
  5. Step 5: Solve for x
    x = 5,089,264,879.52/59,212.30
  6. Step 6: Final answer
    x = 85,949.45

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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.