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Finding the Fourth Proportional to 335,801.84, 503,581.76 and 111,120.80

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Solution

The fourth proportional to 335,801.84, 503,581.76 and 111,120.80 is: 166,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,801.84 : 503,581.76 = 111,120.80 : x
  2. Step 2: Convert to fraction form
    335,801.84/503,581.76 = 111,120.80/x
  3. Step 3: Cross multiply
    335,801.84x = 503,581.76 × 111,120.80
  4. Step 4: Simplify right side
    335,801.84x = 55,958,408,036.61
  5. Step 5: Solve for x
    x = 55,958,408,036.61/335,801.84
  6. Step 6: Final answer
    x = 166,641.16

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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.