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Finding the Fourth Proportional to 103,708.94, 155,595.69 and 37,149.64

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Solution

The fourth proportional to 103,708.94, 155,595.69 and 37,149.64 is: 55,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708.94 : 155,595.69 = 37,149.64 : x
  2. Step 2: Convert to fraction form
    103,708.94/155,595.69 = 37,149.64/x
  3. Step 3: Cross multiply
    103,708.94x = 155,595.69 × 37,149.64
  4. Step 4: Simplify right side
    103,708.94x = 5,780,323,869.05
  5. Step 5: Solve for x
    x = 5,780,323,869.05/103,708.94
  6. Step 6: Final answer
    x = 55,736.02

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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.