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Finding the Fourth Proportional to 109,392.62, 164,088.94 and 35,520.62

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Solution

The fourth proportional to 109,392.62, 164,088.94 and 35,520.62 is: 53,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,392.62 : 164,088.94 = 35,520.62 : x
  2. Step 2: Convert to fraction form
    109,392.62/164,088.94 = 35,520.62/x
  3. Step 3: Cross multiply
    109,392.62x = 164,088.94 × 35,520.62
  4. Step 4: Simplify right side
    109,392.62x = 5,828,541,205.36
  5. Step 5: Solve for x
    x = 5,828,541,205.36/109,392.62
  6. Step 6: Final answer
    x = 53,280.93

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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.