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Finding the Fourth Proportional to 100,299.63, 150,290.98 and 37,032.55

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Solution

The fourth proportional to 100,299.63, 150,290.98 and 37,032.55 is: 55,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,299.63 : 150,290.98 = 37,032.55 : x
  2. Step 2: Convert to fraction form
    100,299.63/150,290.98 = 37,032.55/x
  3. Step 3: Cross multiply
    100,299.63x = 150,290.98 × 37,032.55
  4. Step 4: Simplify right side
    100,299.63x = 5,565,658,816.79
  5. Step 5: Solve for x
    x = 5,565,658,816.79/100,299.63
  6. Step 6: Final answer
    x = 55,490.32

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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.