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Finding the Fourth Proportional to 110,630.40, 152,232.96 and 100,032

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Solution

The fourth proportional to 110,630.40, 152,232.96 and 100,032 is: 137,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,630.40 : 152,232.96 = 100,032 : x
  2. Step 2: Convert to fraction form
    110,630.40/152,232.96 = 100,032/x
  3. Step 3: Cross multiply
    110,630.40x = 152,232.96 × 100,032
  4. Step 4: Simplify right side
    110,630.40x = 15,228,167,454.72
  5. Step 5: Solve for x
    x = 15,228,167,454.72/110,630.40
  6. Step 6: Final answer
    x = 137,649.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.