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Finding the Fourth Proportional to 333,781.56, 500,703.06 and 109,143.16

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Solution

The fourth proportional to 333,781.56, 500,703.06 and 109,143.16 is: 163,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,781.56 : 500,703.06 = 109,143.16 : x
  2. Step 2: Convert to fraction form
    333,781.56/500,703.06 = 109,143.16/x
  3. Step 3: Cross multiply
    333,781.56x = 500,703.06 × 109,143.16
  4. Step 4: Simplify right side
    333,781.56x = 54,648,314,190.07
  5. Step 5: Solve for x
    x = 54,648,314,190.07/333,781.56
  6. Step 6: Final answer
    x = 163,724.79

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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.