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Finding the Fourth Proportional to 117,334.80, 176,003.64 and 77,608.08

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Solution

The fourth proportional to 117,334.80, 176,003.64 and 77,608.08 is: 116,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.80 : 176,003.64 = 77,608.08 : x
  2. Step 2: Convert to fraction form
    117,334.80/176,003.64 = 77,608.08/x
  3. Step 3: Cross multiply
    117,334.80x = 176,003.64 × 77,608.08
  4. Step 4: Simplify right side
    117,334.80x = 13,659,304,573.41
  5. Step 5: Solve for x
    x = 13,659,304,573.41/117,334.80
  6. Step 6: Final answer
    x = 116,413.07

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1.5x scale

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.