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Finding the Fourth Proportional to 190,601.43, 285,829.48 and 64,207.77

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Solution

The fourth proportional to 190,601.43, 285,829.48 and 64,207.77 is: 96,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,601.43 : 285,829.48 = 64,207.77 : x
  2. Step 2: Convert to fraction form
    190,601.43/285,829.48 = 64,207.77/x
  3. Step 3: Cross multiply
    190,601.43x = 285,829.48 × 64,207.77
  4. Step 4: Simplify right side
    190,601.43x = 18,352,473,511.06
  5. Step 5: Solve for x
    x = 18,352,473,511.06/190,601.43
  6. Step 6: Final answer
    x = 96,287.18

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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.