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Finding the Fourth Proportional to 228,370.28, 342,530.78 and 59,907.48

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Solution

The fourth proportional to 228,370.28, 342,530.78 and 59,907.48 is: 89,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,370.28 : 342,530.78 = 59,907.48 : x
  2. Step 2: Convert to fraction form
    228,370.28/342,530.78 = 59,907.48/x
  3. Step 3: Cross multiply
    228,370.28x = 342,530.78 × 59,907.48
  4. Step 4: Simplify right side
    228,370.28x = 20,520,155,552.70
  5. Step 5: Solve for x
    x = 20,520,155,552.70/228,370.28
  6. Step 6: Final answer
    x = 89,854.76

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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.