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Finding the Fourth Proportional to 101,037.35, 151,720.05 and 56,750.60

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Solution

The fourth proportional to 101,037.35, 151,720.05 and 56,750.60 is: 85,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,037.35 : 151,720.05 = 56,750.60 : x
  2. Step 2: Convert to fraction form
    101,037.35/151,720.05 = 56,750.60/x
  3. Step 3: Cross multiply
    101,037.35x = 151,720.05 × 56,750.60
  4. Step 4: Simplify right side
    101,037.35x = 8,610,203,869.53
  5. Step 5: Solve for x
    x = 8,610,203,869.53/101,037.35
  6. Step 6: Final answer
    x = 85,218.03

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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.