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Finding the Fourth Proportional to 63,041.93, 86,878.22 and 45,105.69

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Solution

The fourth proportional to 63,041.93, 86,878.22 and 45,105.69 is: 62,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,041.93 : 86,878.22 = 45,105.69 : x
  2. Step 2: Convert to fraction form
    63,041.93/86,878.22 = 45,105.69/x
  3. Step 3: Cross multiply
    63,041.93x = 86,878.22 × 45,105.69
  4. Step 4: Simplify right side
    63,041.93x = 3,918,702,413.06
  5. Step 5: Solve for x
    x = 3,918,702,413.06/63,041.93
  6. Step 6: Final answer
    x = 62,160.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.