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Finding the Fourth Proportional to 66,156.95, 91,297.24 and 35,942.51

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Solution

The fourth proportional to 66,156.95, 91,297.24 and 35,942.51 is: 49,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.95 : 91,297.24 = 35,942.51 : x
  2. Step 2: Convert to fraction form
    66,156.95/91,297.24 = 35,942.51/x
  3. Step 3: Cross multiply
    66,156.95x = 91,297.24 × 35,942.51
  4. Step 4: Simplify right side
    66,156.95x = 3,281,452,100.06
  5. Step 5: Solve for x
    x = 3,281,452,100.06/66,156.95
  6. Step 6: Final answer
    x = 49,601.02

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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.