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Finding the Fourth Proportional to 262,199.68, 393,325.08 and 104,391.28

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Solution

The fourth proportional to 262,199.68, 393,325.08 and 104,391.28 is: 156,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,199.68 : 393,325.08 = 104,391.28 : x
  2. Step 2: Convert to fraction form
    262,199.68/393,325.08 = 104,391.28/x
  3. Step 3: Cross multiply
    262,199.68x = 393,325.08 × 104,391.28
  4. Step 4: Simplify right side
    262,199.68x = 41,059,708,557.30
  5. Step 5: Solve for x
    x = 41,059,708,557.30/262,199.68
  6. Step 6: Final answer
    x = 156,597.10

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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.