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Finding the Fourth Proportional to 104,588.84, 156,819.96 and 42,186.44

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Solution

The fourth proportional to 104,588.84, 156,819.96 and 42,186.44 is: 63,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,588.84 : 156,819.96 = 42,186.44 : x
  2. Step 2: Convert to fraction form
    104,588.84/156,819.96 = 42,186.44/x
  3. Step 3: Cross multiply
    104,588.84x = 156,819.96 × 42,186.44
  4. Step 4: Simplify right side
    104,588.84x = 6,615,675,833.34
  5. Step 5: Solve for x
    x = 6,615,675,833.34/104,588.84
  6. Step 6: Final answer
    x = 63,254.13

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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.