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Finding the Fourth Proportional to 68,105.95, 93,985.93 and 37,894.17

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Solution

The fourth proportional to 68,105.95, 93,985.93 and 37,894.17 is: 52,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.95 : 93,985.93 = 37,894.17 : x
  2. Step 2: Convert to fraction form
    68,105.95/93,985.93 = 37,894.17/x
  3. Step 3: Cross multiply
    68,105.95x = 93,985.93 × 37,894.17
  4. Step 4: Simplify right side
    68,105.95x = 3,561,518,809.03
  5. Step 5: Solve for x
    x = 3,561,518,809.03/68,105.95
  6. Step 6: Final answer
    x = 52,293.80

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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.