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Finding the Fourth Proportional to 227,756.69, 314,342.69 and 132,318.75

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Solution

The fourth proportional to 227,756.69, 314,342.69 and 132,318.75 is: 182,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,756.69 : 314,342.69 = 132,318.75 : x
  2. Step 2: Convert to fraction form
    227,756.69/314,342.69 = 132,318.75/x
  3. Step 3: Cross multiply
    227,756.69x = 314,342.69 × 132,318.75
  4. Step 4: Simplify right side
    227,756.69x = 41,593,432,143.23
  5. Step 5: Solve for x
    x = 41,593,432,143.23/227,756.69
  6. Step 6: Final answer
    x = 182,622.22

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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.