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Finding the Fourth Proportional to 99,794.60, 137,717.00 and 54,473.58

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Solution

The fourth proportional to 99,794.60, 137,717.00 and 54,473.58 is: 75,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794.60 : 137,717.00 = 54,473.58 : x
  2. Step 2: Convert to fraction form
    99,794.60/137,717.00 = 54,473.58/x
  3. Step 3: Cross multiply
    99,794.60x = 137,717.00 × 54,473.58
  4. Step 4: Simplify right side
    99,794.60x = 7,501,937,744.49
  5. Step 5: Solve for x
    x = 7,501,937,744.49/99,794.60
  6. Step 6: Final answer
    x = 75,173.79

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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.