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Finding the Fourth Proportional to 69,813.66, 104,048.43 and 69,702.96

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Solution

The fourth proportional to 69,813.66, 104,048.43 and 69,702.96 is: 103,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.66 : 104,048.43 = 69,702.96 : x
  2. Step 2: Convert to fraction form
    69,813.66/104,048.43 = 69,702.96/x
  3. Step 3: Cross multiply
    69,813.66x = 104,048.43 × 69,702.96
  4. Step 4: Simplify right side
    69,813.66x = 7,252,483,554.35
  5. Step 5: Solve for x
    x = 7,252,483,554.35/69,813.66
  6. Step 6: Final answer
    x = 103,883.45

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.