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Finding the Fourth Proportional to 97,383, 134,388.55 and 52,671

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Solution

The fourth proportional to 97,383, 134,388.55 and 52,671 is: 72,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383 : 134,388.55 = 52,671 : x
  2. Step 2: Convert to fraction form
    97,383/134,388.55 = 52,671/x
  3. Step 3: Cross multiply
    97,383x = 134,388.55 × 52,671
  4. Step 4: Simplify right side
    97,383x = 7,078,379,317.05
  5. Step 5: Solve for x
    x = 7,078,379,317.05/97,383
  6. Step 6: Final answer
    x = 72,685.99

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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.