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Finding the Fourth Proportional to 227,986.88, 314,612.12 and 126,007.08

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Solution

The fourth proportional to 227,986.88, 314,612.12 and 126,007.08 is: 173,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,986.88 : 314,612.12 = 126,007.08 : x
  2. Step 2: Convert to fraction form
    227,986.88/314,612.12 = 126,007.08/x
  3. Step 3: Cross multiply
    227,986.88x = 314,612.12 × 126,007.08
  4. Step 4: Simplify right side
    227,986.88x = 39,643,354,573.81
  5. Step 5: Solve for x
    x = 39,643,354,573.81/227,986.88
  6. Step 6: Final answer
    x = 173,884.37

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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.