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Finding the Fourth Proportional to 88,735.70, 133,071.15 and 29,573.30

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Solution

The fourth proportional to 88,735.70, 133,071.15 and 29,573.30 is: 44,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,735.70 : 133,071.15 = 29,573.30 : x
  2. Step 2: Convert to fraction form
    88,735.70/133,071.15 = 29,573.30/x
  3. Step 3: Cross multiply
    88,735.70x = 133,071.15 × 29,573.30
  4. Step 4: Simplify right side
    88,735.70x = 3,935,353,040.30
  5. Step 5: Solve for x
    x = 3,935,353,040.30/88,735.70
  6. Step 6: Final answer
    x = 44,349.15

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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.