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Finding the Fourth Proportional to 146,765.52, 220,232.93 and 79,297.74

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Solution

The fourth proportional to 146,765.52, 220,232.93 and 79,297.74 is: 118,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765.52 : 220,232.93 = 79,297.74 : x
  2. Step 2: Convert to fraction form
    146,765.52/220,232.93 = 79,297.74/x
  3. Step 3: Cross multiply
    146,765.52x = 220,232.93 × 79,297.74
  4. Step 4: Simplify right side
    146,765.52x = 17,463,973,622.58
  5. Step 5: Solve for x
    x = 17,463,973,622.58/146,765.52
  6. Step 6: Final answer
    x = 118,992.35

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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.