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Finding the Fourth Proportional to 102,573.57, 153,929.09 and 36,013.92

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Solution

The fourth proportional to 102,573.57, 153,929.09 and 36,013.92 is: 54,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,573.57 : 153,929.09 = 36,013.92 : x
  2. Step 2: Convert to fraction form
    102,573.57/153,929.09 = 36,013.92/x
  3. Step 3: Cross multiply
    102,573.57x = 153,929.09 × 36,013.92
  4. Step 4: Simplify right side
    102,573.57x = 5,543,589,445.73
  5. Step 5: Solve for x
    x = 5,543,589,445.73/102,573.57
  6. Step 6: Final answer
    x = 54,045.01

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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.