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Finding the Fourth Proportional to 333,753.89, 500,661.59 and 109,115.51

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Solution

The fourth proportional to 333,753.89, 500,661.59 and 109,115.51 is: 163,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,753.89 : 500,661.59 = 109,115.51 : x
  2. Step 2: Convert to fraction form
    333,753.89/500,661.59 = 109,115.51/x
  3. Step 3: Cross multiply
    333,753.89x = 500,661.59 × 109,115.51
  4. Step 4: Simplify right side
    333,753.89x = 54,629,941,681.38
  5. Step 5: Solve for x
    x = 54,629,941,681.38/333,753.89
  6. Step 6: Final answer
    x = 163,683.31

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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.