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Finding the Fourth Proportional to 192,762.41, 288,827.60 and 136,501.47

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Solution

The fourth proportional to 192,762.41, 288,827.60 and 136,501.47 is: 204,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,762.41 : 288,827.60 = 136,501.47 : x
  2. Step 2: Convert to fraction form
    192,762.41/288,827.60 = 136,501.47/x
  3. Step 3: Cross multiply
    192,762.41x = 288,827.60 × 136,501.47
  4. Step 4: Simplify right side
    192,762.41x = 39,425,391,294.06
  5. Step 5: Solve for x
    x = 39,425,391,294.06/192,762.41
  6. Step 6: Final answer
    x = 204,528.43

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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.