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Finding the Fourth Proportional to 237,278.64, 355,861.72 and 68,754.32

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Solution

The fourth proportional to 237,278.64, 355,861.72 and 68,754.32 is: 103,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,278.64 : 355,861.72 = 68,754.32 : x
  2. Step 2: Convert to fraction form
    237,278.64/355,861.72 = 68,754.32/x
  3. Step 3: Cross multiply
    237,278.64x = 355,861.72 × 68,754.32
  4. Step 4: Simplify right side
    237,278.64x = 24,467,030,572.63
  5. Step 5: Solve for x
    x = 24,467,030,572.63/237,278.64
  6. Step 6: Final answer
    x = 103,115.18

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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.