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Finding the Fourth Proportional to 75,084.71, 103,606.63 and 44,863.61

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Solution

The fourth proportional to 75,084.71, 103,606.63 and 44,863.61 is: 61,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.71 : 103,606.63 = 44,863.61 : x
  2. Step 2: Convert to fraction form
    75,084.71/103,606.63 = 44,863.61/x
  3. Step 3: Cross multiply
    75,084.71x = 103,606.63 × 44,863.61
  4. Step 4: Simplify right side
    75,084.71x = 4,648,166,811.54
  5. Step 5: Solve for x
    x = 4,648,166,811.54/75,084.71
  6. Step 6: Final answer
    x = 61,905.64

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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.