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Finding the Fourth Proportional to 105,967.67, 146,234.95 and 60,645.44

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Solution

The fourth proportional to 105,967.67, 146,234.95 and 60,645.44 is: 83,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,967.67 : 146,234.95 = 60,645.44 : x
  2. Step 2: Convert to fraction form
    105,967.67/146,234.95 = 60,645.44/x
  3. Step 3: Cross multiply
    105,967.67x = 146,234.95 × 60,645.44
  4. Step 4: Simplify right side
    105,967.67x = 8,868,482,886.13
  5. Step 5: Solve for x
    x = 8,868,482,886.13/105,967.67
  6. Step 6: Final answer
    x = 83,690.46

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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.