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Finding the Fourth Proportional to 215,167.11, 296,921.22 and 118,364.82

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Solution

The fourth proportional to 215,167.11, 296,921.22 and 118,364.82 is: 163,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,167.11 : 296,921.22 = 118,364.82 : x
  2. Step 2: Convert to fraction form
    215,167.11/296,921.22 = 118,364.82/x
  3. Step 3: Cross multiply
    215,167.11x = 296,921.22 × 118,364.82
  4. Step 4: Simplify right side
    215,167.11x = 35,145,026,759.48
  5. Step 5: Solve for x
    x = 35,145,026,759.48/215,167.11
  6. Step 6: Final answer
    x = 163,338.29

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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.