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Finding the Fourth Proportional to 185,168.20, 277,752.30 and 91,856.20

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Solution

The fourth proportional to 185,168.20, 277,752.30 and 91,856.20 is: 137,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,168.20 : 277,752.30 = 91,856.20 : x
  2. Step 2: Convert to fraction form
    185,168.20/277,752.30 = 91,856.20/x
  3. Step 3: Cross multiply
    185,168.20x = 277,752.30 × 91,856.20
  4. Step 4: Simplify right side
    185,168.20x = 25,513,270,819.26
  5. Step 5: Solve for x
    x = 25,513,270,819.26/185,168.20
  6. Step 6: Final answer
    x = 137,784.30

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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.