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Finding the Fourth Proportional to 125,502, 173,193.98 and 68,914.59

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Solution

The fourth proportional to 125,502, 173,193.98 and 68,914.59 is: 95,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,502 : 173,193.98 = 68,914.59 : x
  2. Step 2: Convert to fraction form
    125,502/173,193.98 = 68,914.59/x
  3. Step 3: Cross multiply
    125,502x = 173,193.98 × 68,914.59
  4. Step 4: Simplify right side
    125,502x = 11,935,592,122.17
  5. Step 5: Solve for x
    x = 11,935,592,122.17/125,502
  6. Step 6: Final answer
    x = 95,102.80

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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.