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Finding the Fourth Proportional to 161,994.60, 242,990.46 and 43,656.12

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Solution

The fourth proportional to 161,994.60, 242,990.46 and 43,656.12 is: 65,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,994.60 : 242,990.46 = 43,656.12 : x
  2. Step 2: Convert to fraction form
    161,994.60/242,990.46 = 43,656.12/x
  3. Step 3: Cross multiply
    161,994.60x = 242,990.46 × 43,656.12
  4. Step 4: Simplify right side
    161,994.60x = 10,608,020,680.62
  5. Step 5: Solve for x
    x = 10,608,020,680.62/161,994.60
  6. Step 6: Final answer
    x = 65,483.79

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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.