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Finding the Fourth Proportional to 70,260.99, 105,376.38 and 22,233.40

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Solution

The fourth proportional to 70,260.99, 105,376.38 and 22,233.40 is: 33,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,260.99 : 105,376.38 = 22,233.40 : x
  2. Step 2: Convert to fraction form
    70,260.99/105,376.38 = 22,233.40/x
  3. Step 3: Cross multiply
    70,260.99x = 105,376.38 × 22,233.40
  4. Step 4: Simplify right side
    70,260.99x = 2,342,874,860.28
  5. Step 5: Solve for x
    x = 2,342,874,860.28/70,260.99
  6. Step 6: Final answer
    x = 33,345.32

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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.