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Finding the Fourth Proportional to 228,663.90, 342,995.85 and 62,451.90

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Solution

The fourth proportional to 228,663.90, 342,995.85 and 62,451.90 is: 93,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,663.90 : 342,995.85 = 62,451.90 : x
  2. Step 2: Convert to fraction form
    228,663.90/342,995.85 = 62,451.90/x
  3. Step 3: Cross multiply
    228,663.90x = 342,995.85 × 62,451.90
  4. Step 4: Simplify right side
    228,663.90x = 21,420,742,524.62
  5. Step 5: Solve for x
    x = 21,420,742,524.62/228,663.90
  6. Step 6: Final answer
    x = 93,677.85

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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.