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Finding the Fourth Proportional to 136,479.79, 204,834.71 and 57,650.59

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Solution

The fourth proportional to 136,479.79, 204,834.71 and 57,650.59 is: 86,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,479.79 : 204,834.71 = 57,650.59 : x
  2. Step 2: Convert to fraction form
    136,479.79/204,834.71 = 57,650.59/x
  3. Step 3: Cross multiply
    136,479.79x = 204,834.71 × 57,650.59
  4. Step 4: Simplify right side
    136,479.79x = 11,808,841,883.98
  5. Step 5: Solve for x
    x = 11,808,841,883.98/136,479.79
  6. Step 6: Final answer
    x = 86,524.47

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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.