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Finding the Fourth Proportional to 72,599.26, 108,902.98 and 25,852.14

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Solution

The fourth proportional to 72,599.26, 108,902.98 and 25,852.14 is: 38,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,599.26 : 108,902.98 = 25,852.14 : x
  2. Step 2: Convert to fraction form
    72,599.26/108,902.98 = 25,852.14/x
  3. Step 3: Cross multiply
    72,599.26x = 108,902.98 × 25,852.14
  4. Step 4: Simplify right side
    72,599.26x = 2,815,375,085.38
  5. Step 5: Solve for x
    x = 2,815,375,085.38/72,599.26
  6. Step 6: Final answer
    x = 38,779.67

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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.