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Finding the Fourth Proportional to 115,903.70, 173,855.55 and 37,025.90

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Solution

The fourth proportional to 115,903.70, 173,855.55 and 37,025.90 is: 55,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,903.70 : 173,855.55 = 37,025.90 : x
  2. Step 2: Convert to fraction form
    115,903.70/173,855.55 = 37,025.90/x
  3. Step 3: Cross multiply
    115,903.70x = 173,855.55 × 37,025.90
  4. Step 4: Simplify right side
    115,903.70x = 6,437,158,208.75
  5. Step 5: Solve for x
    x = 6,437,158,208.75/115,903.70
  6. Step 6: Final answer
    x = 55,538.85

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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.