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Finding the Fourth Proportional to 332,062.80, 498,029.40 and 107,368.80

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Solution

The fourth proportional to 332,062.80, 498,029.40 and 107,368.80 is: 161,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,062.80 : 498,029.40 = 107,368.80 : x
  2. Step 2: Convert to fraction form
    332,062.80/498,029.40 = 107,368.80/x
  3. Step 3: Cross multiply
    332,062.80x = 498,029.40 × 107,368.80
  4. Step 4: Simplify right side
    332,062.80x = 53,472,819,042.72
  5. Step 5: Solve for x
    x = 53,472,819,042.72/332,062.80
  6. Step 6: Final answer
    x = 161,032.25

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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.