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Finding the Fourth Proportional to 221,303.52, 331,957.32 and 63,531.96

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Solution

The fourth proportional to 221,303.52, 331,957.32 and 63,531.96 is: 95,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303.52 : 331,957.32 = 63,531.96 : x
  2. Step 2: Convert to fraction form
    221,303.52/331,957.32 = 63,531.96/x
  3. Step 3: Cross multiply
    221,303.52x = 331,957.32 × 63,531.96
  4. Step 4: Simplify right side
    221,303.52x = 21,089,899,175.95
  5. Step 5: Solve for x
    x = 21,089,899,175.95/221,303.52
  6. Step 6: Final answer
    x = 95,298.53

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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.