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Finding the Fourth Proportional to 62,858.40, 94,141.80 and 43,029.60

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Solution

The fourth proportional to 62,858.40, 94,141.80 and 43,029.60 is: 64,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,858.40 : 94,141.80 = 43,029.60 : x
  2. Step 2: Convert to fraction form
    62,858.40/94,141.80 = 43,029.60/x
  3. Step 3: Cross multiply
    62,858.40x = 94,141.80 × 43,029.60
  4. Step 4: Simplify right side
    62,858.40x = 4,050,883,997.28
  5. Step 5: Solve for x
    x = 4,050,883,997.28/62,858.40
  6. Step 6: Final answer
    x = 64,444.59

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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.