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Finding the Fourth Proportional to 115,606.99, 173,413.56 and 40,710.11

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Solution

The fourth proportional to 115,606.99, 173,413.56 and 40,710.11 is: 61,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,606.99 : 173,413.56 = 40,710.11 : x
  2. Step 2: Convert to fraction form
    115,606.99/173,413.56 = 40,710.11/x
  3. Step 3: Cross multiply
    115,606.99x = 173,413.56 × 40,710.11
  4. Step 4: Simplify right side
    115,606.99x = 7,059,685,103.09
  5. Step 5: Solve for x
    x = 7,059,685,103.09/115,606.99
  6. Step 6: Final answer
    x = 61,066.25

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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.