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Finding the Fourth Proportional to 133,879.68, 200,574.72 and 62,671.68

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Solution

The fourth proportional to 133,879.68, 200,574.72 and 62,671.68 is: 93,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,879.68 : 200,574.72 = 62,671.68 : x
  2. Step 2: Convert to fraction form
    133,879.68/200,574.72 = 62,671.68/x
  3. Step 3: Cross multiply
    133,879.68x = 200,574.72 × 62,671.68
  4. Step 4: Simplify right side
    133,879.68x = 12,570,354,667.93
  5. Step 5: Solve for x
    x = 12,570,354,667.93/133,879.68
  6. Step 6: Final answer
    x = 93,892.92

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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.