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Finding the Fourth Proportional to 197,704.98, 296,496.13 and 71,328.79

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Solution

The fourth proportional to 197,704.98, 296,496.13 and 71,328.79 is: 106,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,704.98 : 296,496.13 = 71,328.79 : x
  2. Step 2: Convert to fraction form
    197,704.98/296,496.13 = 71,328.79/x
  3. Step 3: Cross multiply
    197,704.98x = 296,496.13 × 71,328.79
  4. Step 4: Simplify right side
    197,704.98x = 21,148,710,192.58
  5. Step 5: Solve for x
    x = 21,148,710,192.58/197,704.98
  6. Step 6: Final answer
    x = 106,971.05

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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.