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Finding the Fourth Proportional to 227,019.25, 313,296.29 and 126,417.25

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Solution

The fourth proportional to 227,019.25, 313,296.29 and 126,417.25 is: 174,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,019.25 : 313,296.29 = 126,417.25 : x
  2. Step 2: Convert to fraction form
    227,019.25/313,296.29 = 126,417.25/x
  3. Step 3: Cross multiply
    227,019.25x = 313,296.29 × 126,417.25
  4. Step 4: Simplify right side
    227,019.25x = 39,606,055,417.00
  5. Step 5: Solve for x
    x = 39,606,055,417.00/227,019.25
  6. Step 6: Final answer
    x = 174,461.22

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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.