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Finding the Fourth Proportional to 146,876.30, 220,314.45 and 94,388.30

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Solution

The fourth proportional to 146,876.30, 220,314.45 and 94,388.30 is: 141,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,876.30 : 220,314.45 = 94,388.30 : x
  2. Step 2: Convert to fraction form
    146,876.30/220,314.45 = 94,388.30/x
  3. Step 3: Cross multiply
    146,876.30x = 220,314.45 × 94,388.30
  4. Step 4: Simplify right side
    146,876.30x = 20,795,106,400.94
  5. Step 5: Solve for x
    x = 20,795,106,400.94/146,876.30
  6. Step 6: Final answer
    x = 141,582.45

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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.