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Finding the Fourth Proportional to 107,635.50, 148,536.99 and 62,923.50

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Solution

The fourth proportional to 107,635.50, 148,536.99 and 62,923.50 is: 86,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,635.50 : 148,536.99 = 62,923.50 : x
  2. Step 2: Convert to fraction form
    107,635.50/148,536.99 = 62,923.50/x
  3. Step 3: Cross multiply
    107,635.50x = 148,536.99 × 62,923.50
  4. Step 4: Simplify right side
    107,635.50x = 9,346,467,290.27
  5. Step 5: Solve for x
    x = 9,346,467,290.27/107,635.50
  6. Step 6: Final answer
    x = 86,834.43

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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.