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Finding the Fourth Proportional to 101,398.44, 152,106.36 and 26,518.46

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Solution

The fourth proportional to 101,398.44, 152,106.36 and 26,518.46 is: 39,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,398.44 : 152,106.36 = 26,518.46 : x
  2. Step 2: Convert to fraction form
    101,398.44/152,106.36 = 26,518.46/x
  3. Step 3: Cross multiply
    101,398.44x = 152,106.36 × 26,518.46
  4. Step 4: Simplify right side
    101,398.44x = 4,033,626,423.41
  5. Step 5: Solve for x
    x = 4,033,626,423.41/101,398.44
  6. Step 6: Final answer
    x = 39,779.97

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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.