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Finding the Fourth Proportional to 115,610.25, 159,542.15 and 62,618.25

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Solution

The fourth proportional to 115,610.25, 159,542.15 and 62,618.25 is: 86,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,610.25 : 159,542.15 = 62,618.25 : x
  2. Step 2: Convert to fraction form
    115,610.25/159,542.15 = 62,618.25/x
  3. Step 3: Cross multiply
    115,610.25x = 159,542.15 × 62,618.25
  4. Step 4: Simplify right side
    115,610.25x = 9,990,249,921.15
  5. Step 5: Solve for x
    x = 9,990,249,921.15/115,610.25
  6. Step 6: Final answer
    x = 86,413.19

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1.5x scale

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.