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Finding the Fourth Proportional to 273,054.63, 409,317.30 and 104,445.12

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Solution

The fourth proportional to 273,054.63, 409,317.30 and 104,445.12 is: 156,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,054.63 : 409,317.30 = 104,445.12 : x
  2. Step 2: Convert to fraction form
    273,054.63/409,317.30 = 104,445.12/x
  3. Step 3: Cross multiply
    273,054.63x = 409,317.30 × 104,445.12
  4. Step 4: Simplify right side
    273,054.63x = 42,751,194,516.58
  5. Step 5: Solve for x
    x = 42,751,194,516.58/273,054.63
  6. Step 6: Final answer
    x = 156,566.45

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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.