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Finding the Fourth Proportional to 107,762.33, 148,716.63 and 60,015.68

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Solution

The fourth proportional to 107,762.33, 148,716.63 and 60,015.68 is: 82,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,762.33 : 148,716.63 = 60,015.68 : x
  2. Step 2: Convert to fraction form
    107,762.33/148,716.63 = 60,015.68/x
  3. Step 3: Cross multiply
    107,762.33x = 148,716.63 × 60,015.68
  4. Step 4: Simplify right side
    107,762.33x = 8,925,328,933.18
  5. Step 5: Solve for x
    x = 8,925,328,933.18/107,762.33
  6. Step 6: Final answer
    x = 82,824.21

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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.