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Finding the Fourth Proportional to 161,851.68, 242,777.16 and 43,523.10

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Solution

The fourth proportional to 161,851.68, 242,777.16 and 43,523.10 is: 65,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,851.68 : 242,777.16 = 43,523.10 : x
  2. Step 2: Convert to fraction form
    161,851.68/242,777.16 = 43,523.10/x
  3. Step 3: Cross multiply
    161,851.68x = 242,777.16 × 43,523.10
  4. Step 4: Simplify right side
    161,851.68x = 10,566,414,612.40
  5. Step 5: Solve for x
    x = 10,566,414,612.40/161,851.68
  6. Step 6: Final answer
    x = 65,284.55

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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.