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Finding the Fourth Proportional to 270,119.04, 405,159.04 and 118,331.52

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Solution

The fourth proportional to 270,119.04, 405,159.04 and 118,331.52 is: 177,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,119.04 : 405,159.04 = 118,331.52 : x
  2. Step 2: Convert to fraction form
    270,119.04/405,159.04 = 118,331.52/x
  3. Step 3: Cross multiply
    270,119.04x = 405,159.04 × 118,331.52
  4. Step 4: Simplify right side
    270,119.04x = 47,943,085,044.94
  5. Step 5: Solve for x
    x = 47,943,085,044.94/270,119.04
  6. Step 6: Final answer
    x = 177,488.73

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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.