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Finding the Fourth Proportional to 207,296.73, 310,972.45 and 72,363.23

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Solution

The fourth proportional to 207,296.73, 310,972.45 and 72,363.23 is: 108,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,296.73 : 310,972.45 = 72,363.23 : x
  2. Step 2: Convert to fraction form
    207,296.73/310,972.45 = 72,363.23/x
  3. Step 3: Cross multiply
    207,296.73x = 310,972.45 × 72,363.23
  4. Step 4: Simplify right side
    207,296.73x = 22,502,970,794.35
  5. Step 5: Solve for x
    x = 22,502,970,794.35/207,296.73
  6. Step 6: Final answer
    x = 108,554.39

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1.5x scale

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.