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Finding the Fourth Proportional to 104,544, 156,833.28 and 30,689.28

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Solution

The fourth proportional to 104,544, 156,833.28 and 30,689.28 is: 46,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,544 : 156,833.28 = 30,689.28 : x
  2. Step 2: Convert to fraction form
    104,544/156,833.28 = 30,689.28/x
  3. Step 3: Cross multiply
    104,544x = 156,833.28 × 30,689.28
  4. Step 4: Simplify right side
    104,544x = 4,813,100,443.24
  5. Step 5: Solve for x
    x = 4,813,100,443.24/104,544
  6. Step 6: Final answer
    x = 46,038.99

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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.