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Finding the Fourth Proportional to 101,847.88, 140,547.40 and 56,524.70

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Solution

The fourth proportional to 101,847.88, 140,547.40 and 56,524.70 is: 78,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.88 : 140,547.40 = 56,524.70 : x
  2. Step 2: Convert to fraction form
    101,847.88/140,547.40 = 56,524.70/x
  3. Step 3: Cross multiply
    101,847.88x = 140,547.40 × 56,524.70
  4. Step 4: Simplify right side
    101,847.88x = 7,944,400,148.79
  5. Step 5: Solve for x
    x = 7,944,400,148.79/101,847.88
  6. Step 6: Final answer
    x = 78,002.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.