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Finding the Fourth Proportional to 227,911.97, 314,518.52 and 127,309.97

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Solution

The fourth proportional to 227,911.97, 314,518.52 and 127,309.97 is: 175,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,911.97 : 314,518.52 = 127,309.97 : x
  2. Step 2: Convert to fraction form
    227,911.97/314,518.52 = 127,309.97/x
  3. Step 3: Cross multiply
    227,911.97x = 314,518.52 × 127,309.97
  4. Step 4: Simplify right side
    227,911.97x = 40,041,343,495.39
  5. Step 5: Solve for x
    x = 40,041,343,495.39/227,911.97
  6. Step 6: Final answer
    x = 175,687.76

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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.