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Finding the Fourth Proportional to 191,419.60, 264,252.36 and 119,839.36

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Solution

The fourth proportional to 191,419.60, 264,252.36 and 119,839.36 is: 165,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,419.60 : 264,252.36 = 119,839.36 : x
  2. Step 2: Convert to fraction form
    191,419.60/264,252.36 = 119,839.36/x
  3. Step 3: Cross multiply
    191,419.60x = 264,252.36 × 119,839.36
  4. Step 4: Simplify right side
    191,419.60x = 31,667,833,700.89
  5. Step 5: Solve for x
    x = 31,667,833,700.89/191,419.60
  6. Step 6: Final answer
    x = 165,436.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.