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Finding the Fourth Proportional to 193,920.84, 290,848.86 and 53,693.64

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Solution

The fourth proportional to 193,920.84, 290,848.86 and 53,693.64 is: 80,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,920.84 : 290,848.86 = 53,693.64 : x
  2. Step 2: Convert to fraction form
    193,920.84/290,848.86 = 53,693.64/x
  3. Step 3: Cross multiply
    193,920.84x = 290,848.86 × 53,693.64
  4. Step 4: Simplify right side
    193,920.84x = 15,616,733,983.25
  5. Step 5: Solve for x
    x = 15,616,733,983.25/193,920.84
  6. Step 6: Final answer
    x = 80,531.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.