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Finding the Fourth Proportional to 223,600.25, 308,623.15 and 126,860.73

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Solution

The fourth proportional to 223,600.25, 308,623.15 and 126,860.73 is: 175,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,600.25 : 308,623.15 = 126,860.73 : x
  2. Step 2: Convert to fraction form
    223,600.25/308,623.15 = 126,860.73/x
  3. Step 3: Cross multiply
    223,600.25x = 308,623.15 × 126,860.73
  4. Step 4: Simplify right side
    223,600.25x = 39,152,158,127.55
  5. Step 5: Solve for x
    x = 39,152,158,127.55/223,600.25
  6. Step 6: Final answer
    x = 175,098.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.