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Finding the Fourth Proportional to 332,020.10, 498,030.15 and 82,702.10

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Solution

The fourth proportional to 332,020.10, 498,030.15 and 82,702.10 is: 124,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,020.10 : 498,030.15 = 82,702.10 : x
  2. Step 2: Convert to fraction form
    332,020.10/498,030.15 = 82,702.10/x
  3. Step 3: Cross multiply
    332,020.10x = 498,030.15 × 82,702.10
  4. Step 4: Simplify right side
    332,020.10x = 41,188,139,268.32
  5. Step 5: Solve for x
    x = 41,188,139,268.32/332,020.10
  6. Step 6: Final answer
    x = 124,053.15

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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.