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Finding the Fourth Proportional to 161,168.88, 241,753.05 and 42,840.22

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Solution

The fourth proportional to 161,168.88, 241,753.05 and 42,840.22 is: 64,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,168.88 : 241,753.05 = 42,840.22 : x
  2. Step 2: Convert to fraction form
    161,168.88/241,753.05 = 42,840.22/x
  3. Step 3: Cross multiply
    161,168.88x = 241,753.05 × 42,840.22
  4. Step 4: Simplify right side
    161,168.88x = 10,356,753,243.29
  5. Step 5: Solve for x
    x = 10,356,753,243.29/161,168.88
  6. Step 6: Final answer
    x = 64,260.26

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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.