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Finding the Fourth Proportional to 169,413.56, 233,784.78 and 93,969.08

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Solution

The fourth proportional to 169,413.56, 233,784.78 and 93,969.08 is: 129,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.56 : 233,784.78 = 93,969.08 : x
  2. Step 2: Convert to fraction form
    169,413.56/233,784.78 = 93,969.08/x
  3. Step 3: Cross multiply
    169,413.56x = 233,784.78 × 93,969.08
  4. Step 4: Simplify right side
    169,413.56x = 21,968,540,694.60
  5. Step 5: Solve for x
    x = 21,968,540,694.60/169,413.56
  6. Step 6: Final answer
    x = 129,674.04

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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.