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Finding the Fourth Proportional to 70,773.30, 106,157.70 and 17,465.58

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Solution

The fourth proportional to 70,773.30, 106,157.70 and 17,465.58 is: 26,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,773.30 : 106,157.70 = 17,465.58 : x
  2. Step 2: Convert to fraction form
    70,773.30/106,157.70 = 17,465.58/x
  3. Step 3: Cross multiply
    70,773.30x = 106,157.70 × 17,465.58
  4. Step 4: Simplify right side
    70,773.30x = 1,854,105,801.97
  5. Step 5: Solve for x
    x = 1,854,105,801.97/70,773.30
  6. Step 6: Final answer
    x = 26,197.81

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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.