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Finding the Fourth Proportional to 136,580.70, 204,883.20 and 52,337.46

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Solution

The fourth proportional to 136,580.70, 204,883.20 and 52,337.46 is: 78,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,580.70 : 204,883.20 = 52,337.46 : x
  2. Step 2: Convert to fraction form
    136,580.70/204,883.20 = 52,337.46/x
  3. Step 3: Cross multiply
    136,580.70x = 204,883.20 × 52,337.46
  4. Step 4: Simplify right side
    136,580.70x = 10,723,066,284.67
  5. Step 5: Solve for x
    x = 10,723,066,284.67/136,580.70
  6. Step 6: Final answer
    x = 78,510.85

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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.