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Finding the Fourth Proportional to 117,395.82, 176,093.72 and 55,066.32

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Solution

The fourth proportional to 117,395.82, 176,093.72 and 55,066.32 is: 82,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,395.82 : 176,093.72 = 55,066.32 : x
  2. Step 2: Convert to fraction form
    117,395.82/176,093.72 = 55,066.32/x
  3. Step 3: Cross multiply
    117,395.82x = 176,093.72 × 55,066.32
  4. Step 4: Simplify right side
    117,395.82x = 9,696,832,860.18
  5. Step 5: Solve for x
    x = 9,696,832,860.18/117,395.82
  6. Step 6: Final answer
    x = 82,599.47

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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.