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Finding the Fourth Proportional to 365,636.64, 548,467.08 and 125,748.16

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Solution

The fourth proportional to 365,636.64, 548,467.08 and 125,748.16 is: 188,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,636.64 : 548,467.08 = 125,748.16 : x
  2. Step 2: Convert to fraction form
    365,636.64/548,467.08 = 125,748.16/x
  3. Step 3: Cross multiply
    365,636.64x = 548,467.08 × 125,748.16
  4. Step 4: Simplify right side
    365,636.64x = 68,968,726,130.57
  5. Step 5: Solve for x
    x = 68,968,726,130.57/365,636.64
  6. Step 6: Final answer
    x = 188,626.41

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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.