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Finding the Fourth Proportional to 666,157.18, 999,226.52 and 160,713.88

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Solution

The fourth proportional to 666,157.18, 999,226.52 and 160,713.88 is: 241,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,157.18 : 999,226.52 = 160,713.88 : x
  2. Step 2: Convert to fraction form
    666,157.18/999,226.52 = 160,713.88/x
  3. Step 3: Cross multiply
    666,157.18x = 999,226.52 × 160,713.88
  4. Step 4: Simplify right side
    666,157.18x = 160,589,571,028.10
  5. Step 5: Solve for x
    x = 160,589,571,028.10/666,157.18
  6. Step 6: Final answer
    x = 241,068.59

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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.