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Finding the Fourth Proportional to 191,733.48, 287,425.26 and 67,006.44

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Solution

The fourth proportional to 191,733.48, 287,425.26 and 67,006.44 is: 100,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,733.48 : 287,425.26 = 67,006.44 : x
  2. Step 2: Convert to fraction form
    191,733.48/287,425.26 = 67,006.44/x
  3. Step 3: Cross multiply
    191,733.48x = 287,425.26 × 67,006.44
  4. Step 4: Simplify right side
    191,733.48x = 19,259,343,438.67
  5. Step 5: Solve for x
    x = 19,259,343,438.67/191,733.48
  6. Step 6: Final answer
    x = 100,448.52

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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.