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Finding the Fourth Proportional to 247,762.11, 341,905.97 and 144,389.72

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Solution

The fourth proportional to 247,762.11, 341,905.97 and 144,389.72 is: 199,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,762.11 : 341,905.97 = 144,389.72 : x
  2. Step 2: Convert to fraction form
    247,762.11/341,905.97 = 144,389.72/x
  3. Step 3: Cross multiply
    247,762.11x = 341,905.97 × 144,389.72
  4. Step 4: Simplify right side
    247,762.11x = 49,367,707,274.63
  5. Step 5: Solve for x
    x = 49,367,707,274.63/247,762.11
  6. Step 6: Final answer
    x = 199,254.47

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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.