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Finding the Fourth Proportional to 96,801.80, 145,202.70 and 63,624.20

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Solution

The fourth proportional to 96,801.80, 145,202.70 and 63,624.20 is: 95,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,801.80 : 145,202.70 = 63,624.20 : x
  2. Step 2: Convert to fraction form
    96,801.80/145,202.70 = 63,624.20/x
  3. Step 3: Cross multiply
    96,801.80x = 145,202.70 × 63,624.20
  4. Step 4: Simplify right side
    96,801.80x = 9,238,405,625.34
  5. Step 5: Solve for x
    x = 9,238,405,625.34/96,801.80
  6. Step 6: Final answer
    x = 95,436.30

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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.