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Finding the Fourth Proportional to 115,798.56, 173,695.80 and 36,912.12

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Solution

The fourth proportional to 115,798.56, 173,695.80 and 36,912.12 is: 55,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,798.56 : 173,695.80 = 36,912.12 : x
  2. Step 2: Convert to fraction form
    115,798.56/173,695.80 = 36,912.12/x
  3. Step 3: Cross multiply
    115,798.56x = 173,695.80 × 36,912.12
  4. Step 4: Simplify right side
    115,798.56x = 6,411,480,213.10
  5. Step 5: Solve for x
    x = 6,411,480,213.10/115,798.56
  6. Step 6: Final answer
    x = 55,367.53

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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.