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Finding the Fourth Proportional to 197,959.55, 296,956.53 and 55,805.76

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Solution

The fourth proportional to 197,959.55, 296,956.53 and 55,805.76 is: 83,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,959.55 : 296,956.53 = 55,805.76 : x
  2. Step 2: Convert to fraction form
    197,959.55/296,956.53 = 55,805.76/x
  3. Step 3: Cross multiply
    197,959.55x = 296,956.53 × 55,805.76
  4. Step 4: Simplify right side
    197,959.55x = 16,571,884,843.61
  5. Step 5: Solve for x
    x = 16,571,884,843.61/197,959.55
  6. Step 6: Final answer
    x = 83,713.49

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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.