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Finding the Fourth Proportional to 246,642.80, 370,078.38 and 134,189.06

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Solution

The fourth proportional to 246,642.80, 370,078.38 and 134,189.06 is: 201,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,642.80 : 370,078.38 = 134,189.06 : x
  2. Step 2: Convert to fraction form
    246,642.80/370,078.38 = 134,189.06/x
  3. Step 3: Cross multiply
    246,642.80x = 370,078.38 × 134,189.06
  4. Step 4: Simplify right side
    246,642.80x = 49,660,468,088.13
  5. Step 5: Solve for x
    x = 49,660,468,088.13/246,642.80
  6. Step 6: Final answer
    x = 201,345.71

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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.