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Finding the Fourth Proportional to 64,053.20, 95,820.60 and 56,277.20

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Solution

The fourth proportional to 64,053.20, 95,820.60 and 56,277.20 is: 84,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.20 : 95,820.60 = 56,277.20 : x
  2. Step 2: Convert to fraction form
    64,053.20/95,820.60 = 56,277.20/x
  3. Step 3: Cross multiply
    64,053.20x = 95,820.60 × 56,277.20
  4. Step 4: Simplify right side
    64,053.20x = 5,392,515,070.32
  5. Step 5: Solve for x
    x = 5,392,515,070.32/64,053.20
  6. Step 6: Final answer
    x = 84,188.07

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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.