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Finding the Fourth Proportional to 245,137.60, 367,696.38 and 67,640.08

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Solution

The fourth proportional to 245,137.60, 367,696.38 and 67,640.08 is: 101,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,137.60 : 367,696.38 = 67,640.08 : x
  2. Step 2: Convert to fraction form
    245,137.60/367,696.38 = 67,640.08/x
  3. Step 3: Cross multiply
    245,137.60x = 367,696.38 × 67,640.08
  4. Step 4: Simplify right side
    245,137.60x = 24,871,010,793.73
  5. Step 5: Solve for x
    x = 24,871,010,793.73/245,137.60
  6. Step 6: Final answer
    x = 101,457.35

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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.