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Finding the Fourth Proportional to 66,159.32, 91,299.48 and 35,944.44

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Solution

The fourth proportional to 66,159.32, 91,299.48 and 35,944.44 is: 49,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159.32 : 91,299.48 = 35,944.44 : x
  2. Step 2: Convert to fraction form
    66,159.32/91,299.48 = 35,944.44/x
  3. Step 3: Cross multiply
    66,159.32x = 91,299.48 × 35,944.44
  4. Step 4: Simplify right side
    66,159.32x = 3,281,708,680.89
  5. Step 5: Solve for x
    x = 3,281,708,680.89/66,159.32
  6. Step 6: Final answer
    x = 49,603.12

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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.