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Finding the Fourth Proportional to 235,654.29, 353,428.18 and 67,170.98

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Solution

The fourth proportional to 235,654.29, 353,428.18 and 67,170.98 is: 100,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,654.29 : 353,428.18 = 67,170.98 : x
  2. Step 2: Convert to fraction form
    235,654.29/353,428.18 = 67,170.98/x
  3. Step 3: Cross multiply
    235,654.29x = 353,428.18 × 67,170.98
  4. Step 4: Simplify right side
    235,654.29x = 23,740,117,925.86
  5. Step 5: Solve for x
    x = 23,740,117,925.86/235,654.29
  6. Step 6: Final answer
    x = 100,741.29

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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.