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Finding the Fourth Proportional to 70,281.01, 105,421.43 and 22,896.03

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Solution

The fourth proportional to 70,281.01, 105,421.43 and 22,896.03 is: 34,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.01 : 105,421.43 = 22,896.03 : x
  2. Step 2: Convert to fraction form
    70,281.01/105,421.43 = 22,896.03/x
  3. Step 3: Cross multiply
    70,281.01x = 105,421.43 × 22,896.03
  4. Step 4: Simplify right side
    70,281.01x = 2,413,731,912.78
  5. Step 5: Solve for x
    x = 2,413,731,912.78/70,281.01
  6. Step 6: Final answer
    x = 34,344.01

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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.