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Finding the Fourth Proportional to 140,726.84, 211,148.91 and 56,546.84

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Solution

The fourth proportional to 140,726.84, 211,148.91 and 56,546.84 is: 84,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,726.84 : 211,148.91 = 56,546.84 : x
  2. Step 2: Convert to fraction form
    140,726.84/211,148.91 = 56,546.84/x
  3. Step 3: Cross multiply
    140,726.84x = 211,148.91 × 56,546.84
  4. Step 4: Simplify right side
    140,726.84x = 11,939,804,157.82
  5. Step 5: Solve for x
    x = 11,939,804,157.82/140,726.84
  6. Step 6: Final answer
    x = 84,843.83

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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.