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Finding the Fourth Proportional to 303,672.85, 455,462.56 and 101,272.51

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Solution

The fourth proportional to 303,672.85, 455,462.56 and 101,272.51 is: 151,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,672.85 : 455,462.56 = 101,272.51 : x
  2. Step 2: Convert to fraction form
    303,672.85/455,462.56 = 101,272.51/x
  3. Step 3: Cross multiply
    303,672.85x = 455,462.56 × 101,272.51
  4. Step 4: Simplify right side
    303,672.85x = 46,125,837,358.14
  5. Step 5: Solve for x
    x = 46,125,837,358.14/303,672.85
  6. Step 6: Final answer
    x = 151,893.19

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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.