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Finding the Fourth Proportional to 183,555, 253,449.26 and 119,054.90

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Solution

The fourth proportional to 183,555, 253,449.26 and 119,054.90 is: 164,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,555 : 253,449.26 = 119,054.90 : x
  2. Step 2: Convert to fraction form
    183,555/253,449.26 = 119,054.90/x
  3. Step 3: Cross multiply
    183,555x = 253,449.26 × 119,054.90
  4. Step 4: Simplify right side
    183,555x = 30,174,374,441.85
  5. Step 5: Solve for x
    x = 30,174,374,441.85/183,555
  6. Step 6: Final answer
    x = 164,388.74

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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.