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Finding the Fourth Proportional to 58,731.20, 88,102.20 and 16,611.20

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Solution

The fourth proportional to 58,731.20, 88,102.20 and 16,611.20 is: 24,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.20 : 88,102.20 = 16,611.20 : x
  2. Step 2: Convert to fraction form
    58,731.20/88,102.20 = 16,611.20/x
  3. Step 3: Cross multiply
    58,731.20x = 88,102.20 × 16,611.20
  4. Step 4: Simplify right side
    58,731.20x = 1,463,483,264.64
  5. Step 5: Solve for x
    x = 1,463,483,264.64/58,731.20
  6. Step 6: Final answer
    x = 24,918.33

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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.