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Finding the Fourth Proportional to 222,598.38, 307,125.99 and 127,086.06

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Solution

The fourth proportional to 222,598.38, 307,125.99 and 127,086.06 is: 175,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598.38 : 307,125.99 = 127,086.06 : x
  2. Step 2: Convert to fraction form
    222,598.38/307,125.99 = 127,086.06/x
  3. Step 3: Cross multiply
    222,598.38x = 307,125.99 × 127,086.06
  4. Step 4: Simplify right side
    222,598.38x = 39,031,431,992.70
  5. Step 5: Solve for x
    x = 39,031,431,992.70/222,598.38
  6. Step 6: Final answer
    x = 175,344.64

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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.