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Finding the Fourth Proportional to 222,565.96, 307,247.46 and 127,054.20

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Solution

The fourth proportional to 222,565.96, 307,247.46 and 127,054.20 is: 175,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.96 : 307,247.46 = 127,054.20 : x
  2. Step 2: Convert to fraction form
    222,565.96/307,247.46 = 127,054.20/x
  3. Step 3: Cross multiply
    222,565.96x = 307,247.46 × 127,054.20
  4. Step 4: Simplify right side
    222,565.96x = 39,037,080,232.33
  5. Step 5: Solve for x
    x = 39,037,080,232.33/222,565.96
  6. Step 6: Final answer
    x = 175,395.56

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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.