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Finding the Fourth Proportional to 223,309.33, 308,180.66 and 127,813.84

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Solution

The fourth proportional to 223,309.33, 308,180.66 and 127,813.84 is: 176,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,309.33 : 308,180.66 = 127,813.84 : x
  2. Step 2: Convert to fraction form
    223,309.33/308,180.66 = 127,813.84/x
  3. Step 3: Cross multiply
    223,309.33x = 308,180.66 × 127,813.84
  4. Step 4: Simplify right side
    223,309.33x = 39,389,752,929.27
  5. Step 5: Solve for x
    x = 39,389,752,929.27/223,309.33
  6. Step 6: Final answer
    x = 176,390.99

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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.