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Finding the Fourth Proportional to 345,467.52, 518,152.08 and 108,804.06

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Solution

The fourth proportional to 345,467.52, 518,152.08 and 108,804.06 is: 163,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,467.52 : 518,152.08 = 108,804.06 : x
  2. Step 2: Convert to fraction form
    345,467.52/518,152.08 = 108,804.06/x
  3. Step 3: Cross multiply
    345,467.52x = 518,152.08 × 108,804.06
  4. Step 4: Simplify right side
    345,467.52x = 56,377,050,001.44
  5. Step 5: Solve for x
    x = 56,377,050,001.44/345,467.52
  6. Step 6: Final answer
    x = 163,190.59

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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.