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Finding the Fourth Proportional to 333,766.90, 500,698.95 and 109,072.90

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Solution

The fourth proportional to 333,766.90, 500,698.95 and 109,072.90 is: 163,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,766.90 : 500,698.95 = 109,072.90 : x
  2. Step 2: Convert to fraction form
    333,766.90/500,698.95 = 109,072.90/x
  3. Step 3: Cross multiply
    333,766.90x = 500,698.95 × 109,072.90
  4. Step 4: Simplify right side
    333,766.90x = 54,612,686,503.46
  5. Step 5: Solve for x
    x = 54,612,686,503.46/333,766.90
  6. Step 6: Final answer
    x = 163,625.23

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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.