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Finding the Fourth Proportional to 333,091.80, 499,637.70 and 83,773.80

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Solution

The fourth proportional to 333,091.80, 499,637.70 and 83,773.80 is: 125,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,091.80 : 499,637.70 = 83,773.80 : x
  2. Step 2: Convert to fraction form
    333,091.80/499,637.70 = 83,773.80/x
  3. Step 3: Cross multiply
    333,091.80x = 499,637.70 × 83,773.80
  4. Step 4: Simplify right side
    333,091.80x = 41,856,548,752.26
  5. Step 5: Solve for x
    x = 41,856,548,752.26/333,091.80
  6. Step 6: Final answer
    x = 125,660.70

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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.