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Finding the Fourth Proportional to 68,025.88, 93,874.50 and 37,810.66

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Solution

The fourth proportional to 68,025.88, 93,874.50 and 37,810.66 is: 52,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,025.88 : 93,874.50 = 37,810.66 : x
  2. Step 2: Convert to fraction form
    68,025.88/93,874.50 = 37,810.66/x
  3. Step 3: Cross multiply
    68,025.88x = 93,874.50 × 37,810.66
  4. Step 4: Simplify right side
    68,025.88x = 3,549,456,802.17
  5. Step 5: Solve for x
    x = 3,549,456,802.17/68,025.88
  6. Step 6: Final answer
    x = 52,178.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.