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Finding the Fourth Proportional to 303,514.67, 455,165.13 and 101,055.79

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Solution

The fourth proportional to 303,514.67, 455,165.13 and 101,055.79 is: 151,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,514.67 : 455,165.13 = 101,055.79 : x
  2. Step 2: Convert to fraction form
    303,514.67/455,165.13 = 101,055.79/x
  3. Step 3: Cross multiply
    303,514.67x = 455,165.13 × 101,055.79
  4. Step 4: Simplify right side
    303,514.67x = 45,997,072,677.88
  5. Step 5: Solve for x
    x = 45,997,072,677.88/303,514.67
  6. Step 6: Final answer
    x = 151,548.10

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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.