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Finding the Fourth Proportional to 100,362.59, 150,543.95 and 25,488.35

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Solution

The fourth proportional to 100,362.59, 150,543.95 and 25,488.35 is: 38,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,362.59 : 150,543.95 = 25,488.35 : x
  2. Step 2: Convert to fraction form
    100,362.59/150,543.95 = 25,488.35/x
  3. Step 3: Cross multiply
    100,362.59x = 150,543.95 × 25,488.35
  4. Step 4: Simplify right side
    100,362.59x = 3,837,116,887.98
  5. Step 5: Solve for x
    x = 3,837,116,887.98/100,362.59
  6. Step 6: Final answer
    x = 38,232.54

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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.