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Finding the Fourth Proportional to 191,951.36, 264,913.44 and 107,097.92

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Solution

The fourth proportional to 191,951.36, 264,913.44 and 107,097.92 is: 147,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,951.36 : 264,913.44 = 107,097.92 : x
  2. Step 2: Convert to fraction form
    191,951.36/264,913.44 = 107,097.92/x
  3. Step 3: Cross multiply
    191,951.36x = 264,913.44 × 107,097.92
  4. Step 4: Simplify right side
    191,951.36x = 28,371,678,404.04
  5. Step 5: Solve for x
    x = 28,371,678,404.04/191,951.36
  6. Step 6: Final answer
    x = 147,806.60

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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.