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Finding the Fourth Proportional to 69,127.69, 103,585.90 and 46,554.90

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Solution

The fourth proportional to 69,127.69, 103,585.90 and 46,554.90 is: 69,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.69 : 103,585.90 = 46,554.90 : x
  2. Step 2: Convert to fraction form
    69,127.69/103,585.90 = 46,554.90/x
  3. Step 3: Cross multiply
    69,127.69x = 103,585.90 × 46,554.90
  4. Step 4: Simplify right side
    69,127.69x = 4,822,431,215.91
  5. Step 5: Solve for x
    x = 4,822,431,215.91/69,127.69
  6. Step 6: Final answer
    x = 69,761.21

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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.