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Finding the Fourth Proportional to 214,172.88, 295,553.88 and 118,679.28

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Solution

The fourth proportional to 214,172.88, 295,553.88 and 118,679.28 is: 163,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,172.88 : 295,553.88 = 118,679.28 : x
  2. Step 2: Convert to fraction form
    214,172.88/295,553.88 = 118,679.28/x
  3. Step 3: Cross multiply
    214,172.88x = 295,553.88 × 118,679.28
  4. Step 4: Simplify right side
    214,172.88x = 35,076,121,679.61
  5. Step 5: Solve for x
    x = 35,076,121,679.61/214,172.88
  6. Step 6: Final answer
    x = 163,774.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.