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Finding the Fourth Proportional to 228,470.44, 342,695.34 and 59,986.80

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Solution

The fourth proportional to 228,470.44, 342,695.34 and 59,986.80 is: 89,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,470.44 : 342,695.34 = 59,986.80 : x
  2. Step 2: Convert to fraction form
    228,470.44/342,695.34 = 59,986.80/x
  3. Step 3: Cross multiply
    228,470.44x = 342,695.34 × 59,986.80
  4. Step 4: Simplify right side
    228,470.44x = 20,557,196,821.51
  5. Step 5: Solve for x
    x = 20,557,196,821.51/228,470.44
  6. Step 6: Final answer
    x = 89,977.49

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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.