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Finding the Fourth Proportional to 229,078.10, 343,617.15 and 62,866.10

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Solution

The fourth proportional to 229,078.10, 343,617.15 and 62,866.10 is: 94,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,078.10 : 343,617.15 = 62,866.10 : x
  2. Step 2: Convert to fraction form
    229,078.10/343,617.15 = 62,866.10/x
  3. Step 3: Cross multiply
    229,078.10x = 343,617.15 × 62,866.10
  4. Step 4: Simplify right side
    229,078.10x = 21,601,870,113.62
  5. Step 5: Solve for x
    x = 21,601,870,113.62/229,078.10
  6. Step 6: Final answer
    x = 94,299.15

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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.