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Finding the Fourth Proportional to 215,265.93, 322,723.93 and 75,122.97

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Solution

The fourth proportional to 215,265.93, 322,723.93 and 75,122.97 is: 112,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,265.93 : 322,723.93 = 75,122.97 : x
  2. Step 2: Convert to fraction form
    215,265.93/322,723.93 = 75,122.97/x
  3. Step 3: Cross multiply
    215,265.93x = 322,723.93 × 75,122.97
  4. Step 4: Simplify right side
    215,265.93x = 24,243,980,111.67
  5. Step 5: Solve for x
    x = 24,243,980,111.67/215,265.93
  6. Step 6: Final answer
    x = 112,623.40

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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.