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Finding the Fourth Proportional to 190,548, 285,833.97 and 64,177.92

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Solution

The fourth proportional to 190,548, 285,833.97 and 64,177.92 is: 96,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,548 : 285,833.97 = 64,177.92 : x
  2. Step 2: Convert to fraction form
    190,548/285,833.97 = 64,177.92/x
  3. Step 3: Cross multiply
    190,548x = 285,833.97 × 64,177.92
  4. Step 4: Simplify right side
    190,548x = 18,344,229,659.94
  5. Step 5: Solve for x
    x = 18,344,229,659.94/190,548
  6. Step 6: Final answer
    x = 96,270.91

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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.