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Finding the Fourth Proportional to 245,765.71, 368,176.24 and 150,718.74

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Solution

The fourth proportional to 245,765.71, 368,176.24 and 150,718.74 is: 225,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,765.71 : 368,176.24 = 150,718.74 : x
  2. Step 2: Convert to fraction form
    245,765.71/368,176.24 = 150,718.74/x
  3. Step 3: Cross multiply
    245,765.71x = 368,176.24 × 150,718.74
  4. Step 4: Simplify right side
    245,765.71x = 55,491,058,990.74
  5. Step 5: Solve for x
    x = 55,491,058,990.74/245,765.71
  6. Step 6: Final answer
    x = 225,788.45

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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.