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Finding the Fourth Proportional to 107,993.98, 149,032.53 and 60,239.62

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Solution

The fourth proportional to 107,993.98, 149,032.53 and 60,239.62 is: 83,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,993.98 : 149,032.53 = 60,239.62 : x
  2. Step 2: Convert to fraction form
    107,993.98/149,032.53 = 60,239.62/x
  3. Step 3: Cross multiply
    107,993.98x = 149,032.53 × 60,239.62
  4. Step 4: Simplify right side
    107,993.98x = 8,977,662,974.84
  5. Step 5: Solve for x
    x = 8,977,662,974.84/107,993.98
  6. Step 6: Final answer
    x = 83,131.14

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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.