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Finding the Fourth Proportional to 215,062, 296,771.52 and 119,565.28

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Solution

The fourth proportional to 215,062, 296,771.52 and 119,565.28 is: 164,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,062 : 296,771.52 = 119,565.28 : x
  2. Step 2: Convert to fraction form
    215,062/296,771.52 = 119,565.28/x
  3. Step 3: Cross multiply
    215,062x = 296,771.52 × 119,565.28
  4. Step 4: Simplify right side
    215,062x = 35,483,569,884.83
  5. Step 5: Solve for x
    x = 35,483,569,884.83/215,062
  6. Step 6: Final answer
    x = 164,992.28

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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.