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Finding the Fourth Proportional to 64,254.94, 96,272.73 and 45,503.82

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Solution

The fourth proportional to 64,254.94, 96,272.73 and 45,503.82 is: 68,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.94 : 96,272.73 = 45,503.82 : x
  2. Step 2: Convert to fraction form
    64,254.94/96,272.73 = 45,503.82/x
  3. Step 3: Cross multiply
    64,254.94x = 96,272.73 × 45,503.82
  4. Step 4: Simplify right side
    64,254.94x = 4,380,776,976.83
  5. Step 5: Solve for x
    x = 4,380,776,976.83/64,254.94
  6. Step 6: Final answer
    x = 68,178.06

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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.