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Finding the Fourth Proportional to 266,062.32, 399,078.90 and 160,853.04

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Solution

The fourth proportional to 266,062.32, 399,078.90 and 160,853.04 is: 241,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,062.32 : 399,078.90 = 160,853.04 : x
  2. Step 2: Convert to fraction form
    266,062.32/399,078.90 = 160,853.04/x
  3. Step 3: Cross multiply
    266,062.32x = 399,078.90 × 160,853.04
  4. Step 4: Simplify right side
    266,062.32x = 64,193,054,264.86
  5. Step 5: Solve for x
    x = 64,193,054,264.86/266,062.32
  6. Step 6: Final answer
    x = 241,270.75

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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.