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Finding the Fourth Proportional to 136,739.67, 205,028.52 and 46,750.54

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Solution

The fourth proportional to 136,739.67, 205,028.52 and 46,750.54 is: 70,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,739.67 : 205,028.52 = 46,750.54 : x
  2. Step 2: Convert to fraction form
    136,739.67/205,028.52 = 46,750.54/x
  3. Step 3: Cross multiply
    136,739.67x = 205,028.52 × 46,750.54
  4. Step 4: Simplify right side
    136,739.67x = 9,585,194,298.59
  5. Step 5: Solve for x
    x = 9,585,194,298.59/136,739.67
  6. Step 6: Final answer
    x = 70,098.12

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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.