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Finding the Fourth Proportional to 136,095.70, 204,130.36 and 41,326.71

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Solution

The fourth proportional to 136,095.70, 204,130.36 and 41,326.71 is: 61,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,095.70 : 204,130.36 = 41,326.71 : x
  2. Step 2: Convert to fraction form
    136,095.70/204,130.36 = 41,326.71/x
  3. Step 3: Cross multiply
    136,095.70x = 204,130.36 × 41,326.71
  4. Step 4: Simplify right side
    136,095.70x = 8,436,036,189.92
  5. Step 5: Solve for x
    x = 8,436,036,189.92/136,095.70
  6. Step 6: Final answer
    x = 61,986.06

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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.