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Finding the Fourth Proportional to 228,218.50, 342,328.56 and 62,006.50

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Solution

The fourth proportional to 228,218.50, 342,328.56 and 62,006.50 is: 93,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,218.50 : 342,328.56 = 62,006.50 : x
  2. Step 2: Convert to fraction form
    228,218.50/342,328.56 = 62,006.50/x
  3. Step 3: Cross multiply
    228,218.50x = 342,328.56 × 62,006.50
  4. Step 4: Simplify right side
    228,218.50x = 21,226,595,855.64
  5. Step 5: Solve for x
    x = 21,226,595,855.64/228,218.50
  6. Step 6: Final answer
    x = 93,009.97

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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.