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Finding the Fourth Proportional to 222,461.04, 307,001.20 and 126,965.84

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Solution

The fourth proportional to 222,461.04, 307,001.20 and 126,965.84 is: 175,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.04 : 307,001.20 = 126,965.84 : x
  2. Step 2: Convert to fraction form
    222,461.04/307,001.20 = 126,965.84/x
  3. Step 3: Cross multiply
    222,461.04x = 307,001.20 × 126,965.84
  4. Step 4: Simplify right side
    222,461.04x = 38,978,665,239.01
  5. Step 5: Solve for x
    x = 38,978,665,239.01/222,461.04
  6. Step 6: Final answer
    x = 175,215.69

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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.