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Finding the Fourth Proportional to 246,057.48, 369,019.92 and 103,903.72

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Solution

The fourth proportional to 246,057.48, 369,019.92 and 103,903.72 is: 155,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,057.48 : 369,019.92 = 103,903.72 : x
  2. Step 2: Convert to fraction form
    246,057.48/369,019.92 = 103,903.72/x
  3. Step 3: Cross multiply
    246,057.48x = 369,019.92 × 103,903.72
  4. Step 4: Simplify right side
    246,057.48x = 38,342,542,442.10
  5. Step 5: Solve for x
    x = 38,342,542,442.10/246,057.48
  6. Step 6: Final answer
    x = 155,827.58

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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.