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Finding the Fourth Proportional to 76,258.71, 105,227.01 and 43,994.52

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Solution

The fourth proportional to 76,258.71, 105,227.01 and 43,994.52 is: 60,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,258.71 : 105,227.01 = 43,994.52 : x
  2. Step 2: Convert to fraction form
    76,258.71/105,227.01 = 43,994.52/x
  3. Step 3: Cross multiply
    76,258.71x = 105,227.01 × 43,994.52
  4. Step 4: Simplify right side
    76,258.71x = 4,629,411,795.99
  5. Step 5: Solve for x
    x = 4,629,411,795.99/76,258.71
  6. Step 6: Final answer
    x = 60,706.66

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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.