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Finding the Fourth Proportional to 64,235.20, 96,352.80 and 27,371.20

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Solution

The fourth proportional to 64,235.20, 96,352.80 and 27,371.20 is: 41,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,235.20 : 96,352.80 = 27,371.20 : x
  2. Step 2: Convert to fraction form
    64,235.20/96,352.80 = 27,371.20/x
  3. Step 3: Cross multiply
    64,235.20x = 96,352.80 × 27,371.20
  4. Step 4: Simplify right side
    64,235.20x = 2,637,291,759.36
  5. Step 5: Solve for x
    x = 2,637,291,759.36/64,235.20
  6. Step 6: Final answer
    x = 41,056.80

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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.