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Finding the Fourth Proportional to 358,679.30, 537,893.22 and 105,892.34

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Solution

The fourth proportional to 358,679.30, 537,893.22 and 105,892.34 is: 158,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,679.30 : 537,893.22 = 105,892.34 : x
  2. Step 2: Convert to fraction form
    358,679.30/537,893.22 = 105,892.34/x
  3. Step 3: Cross multiply
    358,679.30x = 537,893.22 × 105,892.34
  4. Step 4: Simplify right side
    358,679.30x = 56,958,771,735.93
  5. Step 5: Solve for x
    x = 56,958,771,735.93/358,679.30
  6. Step 6: Final answer
    x = 158,801.39

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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.