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Finding the Fourth Proportional to 250,093.16, 374,539.10 and 143,153

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Solution

The fourth proportional to 250,093.16, 374,539.10 and 143,153 is: 214,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,093.16 : 374,539.10 = 143,153 : x
  2. Step 2: Convert to fraction form
    250,093.16/374,539.10 = 143,153/x
  3. Step 3: Cross multiply
    250,093.16x = 374,539.10 × 143,153
  4. Step 4: Simplify right side
    250,093.16x = 53,616,395,782.30
  5. Step 5: Solve for x
    x = 53,616,395,782.30/250,093.16
  6. Step 6: Final answer
    x = 214,385.69

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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.