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Finding the Fourth Proportional to 103,518.52, 155,310.58 and 36,957.18

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Solution

The fourth proportional to 103,518.52, 155,310.58 and 36,957.18 is: 55,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,518.52 : 155,310.58 = 36,957.18 : x
  2. Step 2: Convert to fraction form
    103,518.52/155,310.58 = 36,957.18/x
  3. Step 3: Cross multiply
    103,518.52x = 155,310.58 × 36,957.18
  4. Step 4: Simplify right side
    103,518.52x = 5,739,841,060.96
  5. Step 5: Solve for x
    x = 5,739,841,060.96/103,518.52
  6. Step 6: Final answer
    x = 55,447.48

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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.