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Finding the Fourth Proportional to 193,892.70, 290,845.54 and 53,639.58

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Solution

The fourth proportional to 193,892.70, 290,845.54 and 53,639.58 is: 80,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,892.70 : 290,845.54 = 53,639.58 : x
  2. Step 2: Convert to fraction form
    193,892.70/290,845.54 = 53,639.58/x
  3. Step 3: Cross multiply
    193,892.70x = 290,845.54 × 53,639.58
  4. Step 4: Simplify right side
    193,892.70x = 15,600,832,610.47
  5. Step 5: Solve for x
    x = 15,600,832,610.47/193,892.70
  6. Step 6: Final answer
    x = 80,461.17

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1.5x scale

Why These Related Problems?

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