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Finding the Fourth Proportional to 245,158.84, 367,728.27 and 67,661.29

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Solution

The fourth proportional to 245,158.84, 367,728.27 and 67,661.29 is: 101,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,158.84 : 367,728.27 = 67,661.29 : x
  2. Step 2: Convert to fraction form
    245,158.84/367,728.27 = 67,661.29/x
  3. Step 3: Cross multiply
    245,158.84x = 367,728.27 × 67,661.29
  4. Step 4: Simplify right side
    245,158.84x = 24,880,969,117.67
  5. Step 5: Solve for x
    x = 24,880,969,117.67/245,158.84
  6. Step 6: Final answer
    x = 101,489.18

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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.