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Finding the Fourth Proportional to 79,684.35, 119,488.41 and 46,413.90

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Solution

The fourth proportional to 79,684.35, 119,488.41 and 46,413.90 is: 69,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,684.35 : 119,488.41 = 46,413.90 : x
  2. Step 2: Convert to fraction form
    79,684.35/119,488.41 = 46,413.90/x
  3. Step 3: Cross multiply
    79,684.35x = 119,488.41 × 46,413.90
  4. Step 4: Simplify right side
    79,684.35x = 5,545,923,112.90
  5. Step 5: Solve for x
    x = 5,545,923,112.90/79,684.35
  6. Step 6: Final answer
    x = 69,598.65

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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.