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Finding the Fourth Proportional to 180,231.86, 269,954.04 and 91,332.74

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Solution

The fourth proportional to 180,231.86, 269,954.04 and 91,332.74 is: 136,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,231.86 : 269,954.04 = 91,332.74 : x
  2. Step 2: Convert to fraction form
    180,231.86/269,954.04 = 91,332.74/x
  3. Step 3: Cross multiply
    180,231.86x = 269,954.04 × 91,332.74
  4. Step 4: Simplify right side
    180,231.86x = 24,655,642,147.27
  5. Step 5: Solve for x
    x = 24,655,642,147.27/180,231.86
  6. Step 6: Final answer
    x = 136,799.58

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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.