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Finding the Fourth Proportional to 376,051.20, 563,965 and 109,740.20

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Solution

The fourth proportional to 376,051.20, 563,965 and 109,740.20 is: 164,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,051.20 : 563,965 = 109,740.20 : x
  2. Step 2: Convert to fraction form
    376,051.20/563,965 = 109,740.20/x
  3. Step 3: Cross multiply
    376,051.20x = 563,965 × 109,740.20
  4. Step 4: Simplify right side
    376,051.20x = 61,889,631,893
  5. Step 5: Solve for x
    x = 61,889,631,893/376,051.20
  6. Step 6: Final answer
    x = 164,577.67

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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.