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Finding the Fourth Proportional to 141,906.61, 212,798.23 and 40,682.37

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Solution

The fourth proportional to 141,906.61, 212,798.23 and 40,682.37 is: 61,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.61 : 212,798.23 = 40,682.37 : x
  2. Step 2: Convert to fraction form
    141,906.61/212,798.23 = 40,682.37/x
  3. Step 3: Cross multiply
    141,906.61x = 212,798.23 × 40,682.37
  4. Step 4: Simplify right side
    141,906.61x = 8,657,135,162.51
  5. Step 5: Solve for x
    x = 8,657,135,162.51/141,906.61
  6. Step 6: Final answer
    x = 61,005.86

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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.