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Finding the Fourth Proportional to 215,152.57, 296,914.36 and 119,659.31

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Solution

The fourth proportional to 215,152.57, 296,914.36 and 119,659.31 is: 165,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,152.57 : 296,914.36 = 119,659.31 : x
  2. Step 2: Convert to fraction form
    215,152.57/296,914.36 = 119,659.31/x
  3. Step 3: Cross multiply
    215,152.57x = 296,914.36 × 119,659.31
  4. Step 4: Simplify right side
    215,152.57x = 35,528,565,962.12
  5. Step 5: Solve for x
    x = 35,528,565,962.12/215,152.57
  6. Step 6: Final answer
    x = 165,131.97

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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.