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Finding the Fourth Proportional to 245,733.63, 368,600.61 and 68,240.67

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Solution

The fourth proportional to 245,733.63, 368,600.61 and 68,240.67 is: 102,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,733.63 : 368,600.61 = 68,240.67 : x
  2. Step 2: Convert to fraction form
    245,733.63/368,600.61 = 68,240.67/x
  3. Step 3: Cross multiply
    245,733.63x = 368,600.61 × 68,240.67
  4. Step 4: Simplify right side
    245,733.63x = 25,153,552,588.81
  5. Step 5: Solve for x
    x = 25,153,552,588.81/245,733.63
  6. Step 6: Final answer
    x = 102,361.05

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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.