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Finding the Fourth Proportional to 303,784.65, 455,741.56 and 104,051.41

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Solution

The fourth proportional to 303,784.65, 455,741.56 and 104,051.41 is: 156,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784.65 : 455,741.56 = 104,051.41 : x
  2. Step 2: Convert to fraction form
    303,784.65/455,741.56 = 104,051.41/x
  3. Step 3: Cross multiply
    303,784.65x = 455,741.56 × 104,051.41
  4. Step 4: Simplify right side
    303,784.65x = 47,420,550,514.12
  5. Step 5: Solve for x
    x = 47,420,550,514.12/303,784.65
  6. Step 6: Final answer
    x = 156,099.23

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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.