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Finding the Fourth Proportional to 247,853.66, 371,779.73 and 70,360.79

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Solution

The fourth proportional to 247,853.66, 371,779.73 and 70,360.79 is: 105,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,853.66 : 371,779.73 = 70,360.79 : x
  2. Step 2: Convert to fraction form
    247,853.66/371,779.73 = 70,360.79/x
  3. Step 3: Cross multiply
    247,853.66x = 371,779.73 × 70,360.79
  4. Step 4: Simplify right side
    247,853.66x = 26,158,715,156.98
  5. Step 5: Solve for x
    x = 26,158,715,156.98/247,853.66
  6. Step 6: Final answer
    x = 105,540.97

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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.