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Finding the Fourth Proportional to 102,841.52, 154,265.64 and 35,372.86

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Solution

The fourth proportional to 102,841.52, 154,265.64 and 35,372.86 is: 53,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,841.52 : 154,265.64 = 35,372.86 : x
  2. Step 2: Convert to fraction form
    102,841.52/154,265.64 = 35,372.86/x
  3. Step 3: Cross multiply
    102,841.52x = 154,265.64 × 35,372.86
  4. Step 4: Simplify right side
    102,841.52x = 5,456,816,886.53
  5. Step 5: Solve for x
    x = 5,456,816,886.53/102,841.52
  6. Step 6: Final answer
    x = 53,060.45

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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.