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Finding the Fourth Proportional to 100,362.58, 150,543.94 and 25,488.34

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Solution

The fourth proportional to 100,362.58, 150,543.94 and 25,488.34 is: 38,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362.58 : 150,543.94 = 25,488.34 : x
  2. Step 2: Convert to fraction form
    100,362.58/150,543.94 = 25,488.34/x
  3. Step 3: Cross multiply
    100,362.58x = 150,543.94 × 25,488.34
  4. Step 4: Simplify right side
    100,362.58x = 3,837,115,127.66
  5. Step 5: Solve for x
    x = 3,837,115,127.66/100,362.58
  6. Step 6: Final answer
    x = 38,232.53

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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.