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Finding the Fourth Proportional to 63,970.78, 88,295.51 and 43,586.56

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Solution

The fourth proportional to 63,970.78, 88,295.51 and 43,586.56 is: 60,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.78 : 88,295.51 = 43,586.56 : x
  2. Step 2: Convert to fraction form
    63,970.78/88,295.51 = 43,586.56/x
  3. Step 3: Cross multiply
    63,970.78x = 88,295.51 × 43,586.56
  4. Step 4: Simplify right side
    63,970.78x = 3,848,497,544.35
  5. Step 5: Solve for x
    x = 3,848,497,544.35/63,970.78
  6. Step 6: Final answer
    x = 60,160.24

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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.