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Finding the Fourth Proportional to 103,652.56, 155,501.52 and 33,530.86

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Solution

The fourth proportional to 103,652.56, 155,501.52 and 33,530.86 is: 50,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.56 : 155,501.52 = 33,530.86 : x
  2. Step 2: Convert to fraction form
    103,652.56/155,501.52 = 33,530.86/x
  3. Step 3: Cross multiply
    103,652.56x = 155,501.52 × 33,530.86
  4. Step 4: Simplify right side
    103,652.56x = 5,214,099,696.91
  5. Step 5: Solve for x
    x = 5,214,099,696.91/103,652.56
  6. Step 6: Final answer
    x = 50,303.63

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1.5x scale

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.