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Finding the Fourth Proportional to 333,810, 500,793.75 and 109,169.55

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Solution

The fourth proportional to 333,810, 500,793.75 and 109,169.55 is: 163,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,810 : 500,793.75 = 109,169.55 : x
  2. Step 2: Convert to fraction form
    333,810/500,793.75 = 109,169.55/x
  3. Step 3: Cross multiply
    333,810x = 500,793.75 × 109,169.55
  4. Step 4: Simplify right side
    333,810x = 54,671,428,330.31
  5. Step 5: Solve for x
    x = 54,671,428,330.31/333,810
  6. Step 6: Final answer
    x = 163,780.08

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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.