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Finding the Fourth Proportional to 247,392, 370,596.48 and 122,351.36

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Solution

The fourth proportional to 247,392, 370,596.48 and 122,351.36 is: 183,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,392 : 370,596.48 = 122,351.36 : x
  2. Step 2: Convert to fraction form
    247,392/370,596.48 = 122,351.36/x
  3. Step 3: Cross multiply
    247,392x = 370,596.48 × 122,351.36
  4. Step 4: Simplify right side
    247,392x = 45,342,983,339.21
  5. Step 5: Solve for x
    x = 45,342,983,339.21/247,392
  6. Step 6: Final answer
    x = 183,283.95

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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.