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Finding the Fourth Proportional to 454,054.36, 681,120.60 and 117,091.96

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Solution

The fourth proportional to 454,054.36, 681,120.60 and 117,091.96 is: 175,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,054.36 : 681,120.60 = 117,091.96 : x
  2. Step 2: Convert to fraction form
    454,054.36/681,120.60 = 117,091.96/x
  3. Step 3: Cross multiply
    454,054.36x = 681,120.60 × 117,091.96
  4. Step 4: Simplify right side
    454,054.36x = 79,753,746,050.38
  5. Step 5: Solve for x
    x = 79,753,746,050.38/454,054.36
  6. Step 6: Final answer
    x = 175,648.01

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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.