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Finding the Fourth Proportional to 186,800.20, 280,200.30 and 171,053.80

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Solution

The fourth proportional to 186,800.20, 280,200.30 and 171,053.80 is: 256,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,800.20 : 280,200.30 = 171,053.80 : x
  2. Step 2: Convert to fraction form
    186,800.20/280,200.30 = 171,053.80/x
  3. Step 3: Cross multiply
    186,800.20x = 280,200.30 × 171,053.80
  4. Step 4: Simplify right side
    186,800.20x = 47,929,326,076.14
  5. Step 5: Solve for x
    x = 47,929,326,076.14/186,800.20
  6. Step 6: Final answer
    x = 256,580.70

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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.