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Finding the Fourth Proportional to 142,504.61, 213,636.20 and 62,481.93

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Solution

The fourth proportional to 142,504.61, 213,636.20 and 62,481.93 is: 93,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,504.61 : 213,636.20 = 62,481.93 : x
  2. Step 2: Convert to fraction form
    142,504.61/213,636.20 = 62,481.93/x
  3. Step 3: Cross multiply
    142,504.61x = 213,636.20 × 62,481.93
  4. Step 4: Simplify right side
    142,504.61x = 13,348,401,781.46
  5. Step 5: Solve for x
    x = 13,348,401,781.46/142,504.61
  6. Step 6: Final answer
    x = 93,669.97

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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.