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Finding the Fourth Proportional to 77,610.93, 116,413.15 and 22,206.93

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Solution

The fourth proportional to 77,610.93, 116,413.15 and 22,206.93 is: 33,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610.93 : 116,413.15 = 22,206.93 : x
  2. Step 2: Convert to fraction form
    77,610.93/116,413.15 = 22,206.93/x
  3. Step 3: Cross multiply
    77,610.93x = 116,413.15 × 22,206.93
  4. Step 4: Simplify right side
    77,610.93x = 2,585,178,673.13
  5. Step 5: Solve for x
    x = 2,585,178,673.13/77,610.93
  6. Step 6: Final answer
    x = 33,309.47

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1.5x scale

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.