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Finding the Fourth Proportional to 202,717.58, 279,794.67 and 117,883.58

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Solution

The fourth proportional to 202,717.58, 279,794.67 and 117,883.58 is: 162,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,717.58 : 279,794.67 = 117,883.58 : x
  2. Step 2: Convert to fraction form
    202,717.58/279,794.67 = 117,883.58/x
  3. Step 3: Cross multiply
    202,717.58x = 279,794.67 × 117,883.58
  4. Step 4: Simplify right side
    202,717.58x = 32,983,197,364.52
  5. Step 5: Solve for x
    x = 32,983,197,364.52/202,717.58
  6. Step 6: Final answer
    x = 162,705.17

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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.