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Finding the Fourth Proportional to 344,892.08, 517,396.44 and 157,918.16

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Solution

The fourth proportional to 344,892.08, 517,396.44 and 157,918.16 is: 236,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,892.08 : 517,396.44 = 157,918.16 : x
  2. Step 2: Convert to fraction form
    344,892.08/517,396.44 = 157,918.16/x
  3. Step 3: Cross multiply
    344,892.08x = 517,396.44 × 157,918.16
  4. Step 4: Simplify right side
    344,892.08x = 81,706,293,795.35
  5. Step 5: Solve for x
    x = 81,706,293,795.35/344,892.08
  6. Step 6: Final answer
    x = 236,903.94

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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.