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Finding the Fourth Proportional to 178,091.73, 266,713.54 and 103,053.73

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Solution

The fourth proportional to 178,091.73, 266,713.54 and 103,053.73 is: 154,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,091.73 : 266,713.54 = 103,053.73 : x
  2. Step 2: Convert to fraction form
    178,091.73/266,713.54 = 103,053.73/x
  3. Step 3: Cross multiply
    178,091.73x = 266,713.54 × 103,053.73
  4. Step 4: Simplify right side
    178,091.73x = 27,485,825,138.50
  5. Step 5: Solve for x
    x = 27,485,825,138.50/178,091.73
  6. Step 6: Final answer
    x = 154,335.21

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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.