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Finding the Fourth Proportional to 247,802.34, 341,946.03 and 137,424.54

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Solution

The fourth proportional to 247,802.34, 341,946.03 and 137,424.54 is: 189,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,802.34 : 341,946.03 = 137,424.54 : x
  2. Step 2: Convert to fraction form
    247,802.34/341,946.03 = 137,424.54/x
  3. Step 3: Cross multiply
    247,802.34x = 341,946.03 × 137,424.54
  4. Step 4: Simplify right side
    247,802.34x = 46,991,775,190.45
  5. Step 5: Solve for x
    x = 46,991,775,190.45/247,802.34
  6. Step 6: Final answer
    x = 189,634.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.