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Finding the Fourth Proportional to 197,937.70, 296,906.55 and 57,700.90

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Solution

The fourth proportional to 197,937.70, 296,906.55 and 57,700.90 is: 86,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,937.70 : 296,906.55 = 57,700.90 : x
  2. Step 2: Convert to fraction form
    197,937.70/296,906.55 = 57,700.90/x
  3. Step 3: Cross multiply
    197,937.70x = 296,906.55 × 57,700.90
  4. Step 4: Simplify right side
    197,937.70x = 17,131,775,150.90
  5. Step 5: Solve for x
    x = 17,131,775,150.90/197,937.70
  6. Step 6: Final answer
    x = 86,551.35

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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.