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Finding the Fourth Proportional to 103,411.10, 155,143.65 and 33,292.10

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Solution

The fourth proportional to 103,411.10, 155,143.65 and 33,292.10 is: 49,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,411.10 : 155,143.65 = 33,292.10 : x
  2. Step 2: Convert to fraction form
    103,411.10/155,143.65 = 33,292.10/x
  3. Step 3: Cross multiply
    103,411.10x = 155,143.65 × 33,292.10
  4. Step 4: Simplify right side
    103,411.10x = 5,165,057,910.17
  5. Step 5: Solve for x
    x = 5,165,057,910.17/103,411.10
  6. Step 6: Final answer
    x = 49,946.84

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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.