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Finding the Fourth Proportional to 70,342.73, 105,464.89 and 35,263.25

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Solution

The fourth proportional to 70,342.73, 105,464.89 and 35,263.25 is: 52,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.73 : 105,464.89 = 35,263.25 : x
  2. Step 2: Convert to fraction form
    70,342.73/105,464.89 = 35,263.25/x
  3. Step 3: Cross multiply
    70,342.73x = 105,464.89 × 35,263.25
  4. Step 4: Simplify right side
    70,342.73x = 3,719,034,496.18
  5. Step 5: Solve for x
    x = 3,719,034,496.18/70,342.73
  6. Step 6: Final answer
    x = 52,870.21

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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.