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Finding the Fourth Proportional to 215,265.80, 322,617.94 and 134,179.34

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Solution

The fourth proportional to 215,265.80, 322,617.94 and 134,179.34 is: 201,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,265.80 : 322,617.94 = 134,179.34 : x
  2. Step 2: Convert to fraction form
    215,265.80/322,617.94 = 134,179.34/x
  3. Step 3: Cross multiply
    215,265.80x = 322,617.94 × 134,179.34
  4. Step 4: Simplify right side
    215,265.80x = 43,288,660,312.82
  5. Step 5: Solve for x
    x = 43,288,660,312.82/215,265.80
  6. Step 6: Final answer
    x = 201,094.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.