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Finding the Fourth Proportional to 185,344.62, 255,802.90 and 117,367.80

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Solution

The fourth proportional to 185,344.62, 255,802.90 and 117,367.80 is: 161,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,344.62 : 255,802.90 = 117,367.80 : x
  2. Step 2: Convert to fraction form
    185,344.62/255,802.90 = 117,367.80/x
  3. Step 3: Cross multiply
    185,344.62x = 255,802.90 × 117,367.80
  4. Step 4: Simplify right side
    185,344.62x = 30,023,023,606.62
  5. Step 5: Solve for x
    x = 30,023,023,606.62/185,344.62
  6. Step 6: Final answer
    x = 161,984.87

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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.