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Finding the Fourth Proportional to 69,830.30, 104,662.22 and 48,655.70

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Solution

The fourth proportional to 69,830.30, 104,662.22 and 48,655.70 is: 72,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,830.30 : 104,662.22 = 48,655.70 : x
  2. Step 2: Convert to fraction form
    69,830.30/104,662.22 = 48,655.70/x
  3. Step 3: Cross multiply
    69,830.30x = 104,662.22 × 48,655.70
  4. Step 4: Simplify right side
    69,830.30x = 5,092,413,577.65
  5. Step 5: Solve for x
    x = 5,092,413,577.65/69,830.30
  6. Step 6: Final answer
    x = 72,925.56

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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.