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Finding the Fourth Proportional to 75,994.73, 104,881.62 and 63,225.38

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Solution

The fourth proportional to 75,994.73, 104,881.62 and 63,225.38 is: 87,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,994.73 : 104,881.62 = 63,225.38 : x
  2. Step 2: Convert to fraction form
    75,994.73/104,881.62 = 63,225.38/x
  3. Step 3: Cross multiply
    75,994.73x = 104,881.62 × 63,225.38
  4. Step 4: Simplify right side
    75,994.73x = 6,631,179,963.39
  5. Step 5: Solve for x
    x = 6,631,179,963.39/75,994.73
  6. Step 6: Final answer
    x = 87,258.42

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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.