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Finding the Fourth Proportional to 222,966.69, 307,606.44 and 127,422.12

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Solution

The fourth proportional to 222,966.69, 307,606.44 and 127,422.12 is: 175,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,966.69 : 307,606.44 = 127,422.12 : x
  2. Step 2: Convert to fraction form
    222,966.69/307,606.44 = 127,422.12/x
  3. Step 3: Cross multiply
    222,966.69x = 307,606.44 × 127,422.12
  4. Step 4: Simplify right side
    222,966.69x = 39,195,864,710.45
  5. Step 5: Solve for x
    x = 39,195,864,710.45/222,966.69
  6. Step 6: Final answer
    x = 175,792.47

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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.