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Finding the Fourth Proportional to 68,794.12, 103,059.34 and 46,569.16

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Solution

The fourth proportional to 68,794.12, 103,059.34 and 46,569.16 is: 69,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,794.12 : 103,059.34 = 46,569.16 : x
  2. Step 2: Convert to fraction form
    68,794.12/103,059.34 = 46,569.16/x
  3. Step 3: Cross multiply
    68,794.12x = 103,059.34 × 46,569.16
  4. Step 4: Simplify right side
    68,794.12x = 4,799,386,893.95
  5. Step 5: Solve for x
    x = 4,799,386,893.95/68,794.12
  6. Step 6: Final answer
    x = 69,764.49

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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.