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Finding the Fourth Proportional to 197,706.08, 272,834.40 and 108,282.08

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Solution

The fourth proportional to 197,706.08, 272,834.40 and 108,282.08 is: 149,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,706.08 : 272,834.40 = 108,282.08 : x
  2. Step 2: Convert to fraction form
    197,706.08/272,834.40 = 108,282.08/x
  3. Step 3: Cross multiply
    197,706.08x = 272,834.40 × 108,282.08
  4. Step 4: Simplify right side
    197,706.08x = 29,543,076,327.55
  5. Step 5: Solve for x
    x = 29,543,076,327.55/197,706.08
  6. Step 6: Final answer
    x = 149,429.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.