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Finding the Fourth Proportional to 228,219.50, 342,330.06 and 62,007.50

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Solution

The fourth proportional to 228,219.50, 342,330.06 and 62,007.50 is: 93,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,219.50 : 342,330.06 = 62,007.50 : x
  2. Step 2: Convert to fraction form
    228,219.50/342,330.06 = 62,007.50/x
  3. Step 3: Cross multiply
    228,219.50x = 342,330.06 × 62,007.50
  4. Step 4: Simplify right side
    228,219.50x = 21,227,031,195.45
  5. Step 5: Solve for x
    x = 21,227,031,195.45/228,219.50
  6. Step 6: Final answer
    x = 93,011.47

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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.