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Finding the Fourth Proportional to 271,030.04, 406,251.47 and 121,063.80

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Solution

The fourth proportional to 271,030.04, 406,251.47 and 121,063.80 is: 181,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,030.04 : 406,251.47 = 121,063.80 : x
  2. Step 2: Convert to fraction form
    271,030.04/406,251.47 = 121,063.80/x
  3. Step 3: Cross multiply
    271,030.04x = 406,251.47 × 121,063.80
  4. Step 4: Simplify right side
    271,030.04x = 49,182,346,108.47
  5. Step 5: Solve for x
    x = 49,182,346,108.47/271,030.04
  6. Step 6: Final answer
    x = 181,464.56

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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.