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Finding the Fourth Proportional to 99,059.82, 148,611.60 and 36,730.32

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Solution

The fourth proportional to 99,059.82, 148,611.60 and 36,730.32 is: 55,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,059.82 : 148,611.60 = 36,730.32 : x
  2. Step 2: Convert to fraction form
    99,059.82/148,611.60 = 36,730.32/x
  3. Step 3: Cross multiply
    99,059.82x = 148,611.60 × 36,730.32
  4. Step 4: Simplify right side
    99,059.82x = 5,458,551,623.71
  5. Step 5: Solve for x
    x = 5,458,551,623.71/99,059.82
  6. Step 6: Final answer
    x = 55,103.59

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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.