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Finding the Fourth Proportional to 202,593.64, 279,577.70 and 111,955.72

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Solution

The fourth proportional to 202,593.64, 279,577.70 and 111,955.72 is: 154,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,593.64 : 279,577.70 = 111,955.72 : x
  2. Step 2: Convert to fraction form
    202,593.64/279,577.70 = 111,955.72/x
  3. Step 3: Cross multiply
    202,593.64x = 279,577.70 × 111,955.72
  4. Step 4: Simplify right side
    202,593.64x = 31,300,322,699.44
  5. Step 5: Solve for x
    x = 31,300,322,699.44/202,593.64
  6. Step 6: Final answer
    x = 154,498.05

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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.