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Finding the Fourth Proportional to 339,168.60, 508,761 and 102,510.36

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Solution

The fourth proportional to 339,168.60, 508,761 and 102,510.36 is: 153,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,168.60 : 508,761 = 102,510.36 : x
  2. Step 2: Convert to fraction form
    339,168.60/508,761 = 102,510.36/x
  3. Step 3: Cross multiply
    339,168.60x = 508,761 × 102,510.36
  4. Step 4: Simplify right side
    339,168.60x = 52,153,273,263.96
  5. Step 5: Solve for x
    x = 52,153,273,263.96/339,168.60
  6. Step 6: Final answer
    x = 153,767.99

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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.