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Finding the Fourth Proportional to 70,788.71, 106,248.69 and 35,752.97

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Solution

The fourth proportional to 70,788.71, 106,248.69 and 35,752.97 is: 53,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,788.71 : 106,248.69 = 35,752.97 : x
  2. Step 2: Convert to fraction form
    70,788.71/106,248.69 = 35,752.97/x
  3. Step 3: Cross multiply
    70,788.71x = 106,248.69 × 35,752.97
  4. Step 4: Simplify right side
    70,788.71x = 3,798,705,694.87
  5. Step 5: Solve for x
    x = 3,798,705,694.87/70,788.71
  6. Step 6: Final answer
    x = 53,662.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.