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Finding the Fourth Proportional to 177,453.60, 244,882.76 and 100,971.05

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Solution

The fourth proportional to 177,453.60, 244,882.76 and 100,971.05 is: 139,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,453.60 : 244,882.76 = 100,971.05 : x
  2. Step 2: Convert to fraction form
    177,453.60/244,882.76 = 100,971.05/x
  3. Step 3: Cross multiply
    177,453.60x = 244,882.76 × 100,971.05
  4. Step 4: Simplify right side
    177,453.60x = 24,726,067,674.83
  5. Step 5: Solve for x
    x = 24,726,067,674.83/177,453.60
  6. Step 6: Final answer
    x = 139,338.21

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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.