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Finding the Fourth Proportional to 69,102.15, 103,460.73 and 35,294.95

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Solution

The fourth proportional to 69,102.15, 103,460.73 and 35,294.95 is: 52,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102.15 : 103,460.73 = 35,294.95 : x
  2. Step 2: Convert to fraction form
    69,102.15/103,460.73 = 35,294.95/x
  3. Step 3: Cross multiply
    69,102.15x = 103,460.73 × 35,294.95
  4. Step 4: Simplify right side
    69,102.15x = 3,651,641,292.31
  5. Step 5: Solve for x
    x = 3,651,641,292.31/69,102.15
  6. Step 6: Final answer
    x = 52,844.11

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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.