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Finding the Fourth Proportional to 180,014.77, 270,021.17 and 73,398.31

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Solution

The fourth proportional to 180,014.77, 270,021.17 and 73,398.31 is: 110,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,014.77 : 270,021.17 = 73,398.31 : x
  2. Step 2: Convert to fraction form
    180,014.77/270,021.17 = 73,398.31/x
  3. Step 3: Cross multiply
    180,014.77x = 270,021.17 × 73,398.31
  4. Step 4: Simplify right side
    180,014.77x = 19,819,095,825.13
  5. Step 5: Solve for x
    x = 19,819,095,825.13/180,014.77
  6. Step 6: Final answer
    x = 110,097.06

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1.5x scale

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.