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Finding the Fourth Proportional to 202,883.34, 279,987.30 and 112,237.77

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Solution

The fourth proportional to 202,883.34, 279,987.30 and 112,237.77 is: 154,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,883.34 : 279,987.30 = 112,237.77 : x
  2. Step 2: Convert to fraction form
    202,883.34/279,987.30 = 112,237.77/x
  3. Step 3: Cross multiply
    202,883.34x = 279,987.30 × 112,237.77
  4. Step 4: Simplify right side
    202,883.34x = 31,425,150,180.32
  5. Step 5: Solve for x
    x = 31,425,150,180.32/202,883.34
  6. Step 6: Final answer
    x = 154,892.71

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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.