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Finding the Fourth Proportional to 144,556.60, 216,834.90 and 92,003.80

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Solution

The fourth proportional to 144,556.60, 216,834.90 and 92,003.80 is: 138,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,556.60 : 216,834.90 = 92,003.80 : x
  2. Step 2: Convert to fraction form
    144,556.60/216,834.90 = 92,003.80/x
  3. Step 3: Cross multiply
    144,556.60x = 216,834.90 × 92,003.80
  4. Step 4: Simplify right side
    144,556.60x = 19,949,634,772.62
  5. Step 5: Solve for x
    x = 19,949,634,772.62/144,556.60
  6. Step 6: Final answer
    x = 138,005.70

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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.