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Finding the Fourth Proportional to 107,791.83, 148,754.27 and 62,472.94

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Solution

The fourth proportional to 107,791.83, 148,754.27 and 62,472.94 is: 86,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,791.83 : 148,754.27 = 62,472.94 : x
  2. Step 2: Convert to fraction form
    107,791.83/148,754.27 = 62,472.94/x
  3. Step 3: Cross multiply
    107,791.83x = 148,754.27 × 62,472.94
  4. Step 4: Simplify right side
    107,791.83x = 9,293,116,368.75
  5. Step 5: Solve for x
    x = 9,293,116,368.75/107,791.83
  6. Step 6: Final answer
    x = 86,213.55

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1.5x scale

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.