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Finding the Fourth Proportional to 188,039.68, 280,105.14 and 177,853.52

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Solution

The fourth proportional to 188,039.68, 280,105.14 and 177,853.52 is: 264,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,039.68 : 280,105.14 = 177,853.52 : x
  2. Step 2: Convert to fraction form
    188,039.68/280,105.14 = 177,853.52/x
  3. Step 3: Cross multiply
    188,039.68x = 280,105.14 × 177,853.52
  4. Step 4: Simplify right side
    188,039.68x = 49,817,685,485.88
  5. Step 5: Solve for x
    x = 49,817,685,485.88/188,039.68
  6. Step 6: Final answer
    x = 264,931.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.