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Finding the Fourth Proportional to 68,119.38, 93,994.43 and 37,905.17

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Solution

The fourth proportional to 68,119.38, 93,994.43 and 37,905.17 is: 52,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,119.38 : 93,994.43 = 37,905.17 : x
  2. Step 2: Convert to fraction form
    68,119.38/93,994.43 = 37,905.17/x
  3. Step 3: Cross multiply
    68,119.38x = 93,994.43 × 37,905.17
  4. Step 4: Simplify right side
    68,119.38x = 3,562,874,188.71
  5. Step 5: Solve for x
    x = 3,562,874,188.71/68,119.38
  6. Step 6: Final answer
    x = 52,303.39

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1.5x scale

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.