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Finding the Fourth Proportional to 161,799.99, 242,712.27 and 55,150.80

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Solution

The fourth proportional to 161,799.99, 242,712.27 and 55,150.80 is: 82,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,799.99 : 242,712.27 = 55,150.80 : x
  2. Step 2: Convert to fraction form
    161,799.99/242,712.27 = 55,150.80/x
  3. Step 3: Cross multiply
    161,799.99x = 242,712.27 × 55,150.80
  4. Step 4: Simplify right side
    161,799.99x = 13,385,775,860.32
  5. Step 5: Solve for x
    x = 13,385,775,860.32/161,799.99
  6. Step 6: Final answer
    x = 82,730.39

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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.