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Finding the Fourth Proportional to 169,251.98, 253,878.22 and 42,892.24

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Solution

The fourth proportional to 169,251.98, 253,878.22 and 42,892.24 is: 64,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,251.98 : 253,878.22 = 42,892.24 : x
  2. Step 2: Convert to fraction form
    169,251.98/253,878.22 = 42,892.24/x
  3. Step 3: Cross multiply
    169,251.98x = 253,878.22 × 42,892.24
  4. Step 4: Simplify right side
    169,251.98x = 10,889,405,543.01
  5. Step 5: Solve for x
    x = 10,889,405,543.01/169,251.98
  6. Step 6: Final answer
    x = 64,338.42

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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.