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Finding the Fourth Proportional to 131,597.66, 197,471.73 and 55,690.22

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Solution

The fourth proportional to 131,597.66, 197,471.73 and 55,690.22 is: 83,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597.66 : 197,471.73 = 55,690.22 : x
  2. Step 2: Convert to fraction form
    131,597.66/197,471.73 = 55,690.22/x
  3. Step 3: Cross multiply
    131,597.66x = 197,471.73 × 55,690.22
  4. Step 4: Simplify right side
    131,597.66x = 10,997,244,087.48
  5. Step 5: Solve for x
    x = 10,997,244,087.48/131,597.66
  6. Step 6: Final answer
    x = 83,567.17

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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.