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Finding the Fourth Proportional to 105,061, 144,984.18 and 67,335.25

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Solution

The fourth proportional to 105,061, 144,984.18 and 67,335.25 is: 92,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,061 : 144,984.18 = 67,335.25 : x
  2. Step 2: Convert to fraction form
    105,061/144,984.18 = 67,335.25/x
  3. Step 3: Cross multiply
    105,061x = 144,984.18 × 67,335.25
  4. Step 4: Simplify right side
    105,061x = 9,762,546,006.35
  5. Step 5: Solve for x
    x = 9,762,546,006.35/105,061
  6. Step 6: Final answer
    x = 92,922.65

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