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Finding the Fourth Proportional to 228,331.13, 342,498.15 and 59,850

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Solution

The fourth proportional to 228,331.13, 342,498.15 and 59,850 is: 89,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,331.13 : 342,498.15 = 59,850 : x
  2. Step 2: Convert to fraction form
    228,331.13/342,498.15 = 59,850/x
  3. Step 3: Cross multiply
    228,331.13x = 342,498.15 × 59,850
  4. Step 4: Simplify right side
    228,331.13x = 20,498,514,277.50
  5. Step 5: Solve for x
    x = 20,498,514,277.50/228,331.13
  6. Step 6: Final answer
    x = 89,775.38

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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.