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Finding the Fourth Proportional to 70,924.23, 97,867.71 and 39,087

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Solution

The fourth proportional to 70,924.23, 97,867.71 and 39,087 is: 53,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.23 : 97,867.71 = 39,087 : x
  2. Step 2: Convert to fraction form
    70,924.23/97,867.71 = 39,087/x
  3. Step 3: Cross multiply
    70,924.23x = 97,867.71 × 39,087
  4. Step 4: Simplify right side
    70,924.23x = 3,825,355,180.77
  5. Step 5: Solve for x
    x = 3,825,355,180.77/70,924.23
  6. Step 6: Final answer
    x = 53,935.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.