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Finding the Fourth Proportional to 115,517, 159,413.94 and 62,525

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Solution

The fourth proportional to 115,517, 159,413.94 and 62,525 is: 86,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,517 : 159,413.94 = 62,525 : x
  2. Step 2: Convert to fraction form
    115,517/159,413.94 = 62,525/x
  3. Step 3: Cross multiply
    115,517x = 159,413.94 × 62,525
  4. Step 4: Simplify right side
    115,517x = 9,967,356,598.50
  5. Step 5: Solve for x
    x = 9,967,356,598.50/115,517
  6. Step 6: Final answer
    x = 86,284.76

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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.