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Finding the Fourth Proportional to 228,024.96, 342,048.96 and 70,361.28

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Solution

The fourth proportional to 228,024.96, 342,048.96 and 70,361.28 is: 105,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,024.96 : 342,048.96 = 70,361.28 : x
  2. Step 2: Convert to fraction form
    228,024.96/342,048.96 = 70,361.28/x
  3. Step 3: Cross multiply
    228,024.96x = 342,048.96 × 70,361.28
  4. Step 4: Simplify right side
    228,024.96x = 24,067,002,648.27
  5. Step 5: Solve for x
    x = 24,067,002,648.27/228,024.96
  6. Step 6: Final answer
    x = 105,545.47

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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.