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Finding the Fourth Proportional to 303,807.22, 455,429.10 and 104,080.14

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Solution

The fourth proportional to 303,807.22, 455,429.10 and 104,080.14 is: 156,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,807.22 : 455,429.10 = 104,080.14 : x
  2. Step 2: Convert to fraction form
    303,807.22/455,429.10 = 104,080.14/x
  3. Step 3: Cross multiply
    303,807.22x = 455,429.10 × 104,080.14
  4. Step 4: Simplify right side
    303,807.22x = 47,401,124,488.07
  5. Step 5: Solve for x
    x = 47,401,124,488.07/303,807.22
  6. Step 6: Final answer
    x = 156,023.69

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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.