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Finding the Fourth Proportional to 146,776.80, 220,143.60 and 41,606.40

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Solution

The fourth proportional to 146,776.80, 220,143.60 and 41,606.40 is: 62,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,776.80 : 220,143.60 = 41,606.40 : x
  2. Step 2: Convert to fraction form
    146,776.80/220,143.60 = 41,606.40/x
  3. Step 3: Cross multiply
    146,776.80x = 220,143.60 × 41,606.40
  4. Step 4: Simplify right side
    146,776.80x = 9,159,382,679.04
  5. Step 5: Solve for x
    x = 9,159,382,679.04/146,776.80
  6. Step 6: Final answer
    x = 62,403.48

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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.