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Finding the Fourth Proportional to 79,586.64, 119,413.72 and 37,465.80

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Solution

The fourth proportional to 79,586.64, 119,413.72 and 37,465.80 is: 56,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.64 : 119,413.72 = 37,465.80 : x
  2. Step 2: Convert to fraction form
    79,586.64/119,413.72 = 37,465.80/x
  3. Step 3: Cross multiply
    79,586.64x = 119,413.72 × 37,465.80
  4. Step 4: Simplify right side
    79,586.64x = 4,473,930,550.78
  5. Step 5: Solve for x
    x = 4,473,930,550.78/79,586.64
  6. Step 6: Final answer
    x = 56,214.59

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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.