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Finding the Fourth Proportional to 222,799.91, 307,459.67 and 126,002.07

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Solution

The fourth proportional to 222,799.91, 307,459.67 and 126,002.07 is: 173,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,799.91 : 307,459.67 = 126,002.07 : x
  2. Step 2: Convert to fraction form
    222,799.91/307,459.67 = 126,002.07/x
  3. Step 3: Cross multiply
    222,799.91x = 307,459.67 × 126,002.07
  4. Step 4: Simplify right side
    222,799.91x = 38,740,554,231.51
  5. Step 5: Solve for x
    x = 38,740,554,231.51/222,799.91
  6. Step 6: Final answer
    x = 173,880.48

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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.