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Finding the Fourth Proportional to 179,950.10, 270,018.30 and 73,412.15

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Solution

The fourth proportional to 179,950.10, 270,018.30 and 73,412.15 is: 110,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,950.10 : 270,018.30 = 73,412.15 : x
  2. Step 2: Convert to fraction form
    179,950.10/270,018.30 = 73,412.15/x
  3. Step 3: Cross multiply
    179,950.10x = 270,018.30 × 73,412.15
  4. Step 4: Simplify right side
    179,950.10x = 19,822,623,942.35
  5. Step 5: Solve for x
    x = 19,822,623,942.35/179,950.10
  6. Step 6: Final answer
    x = 110,156.23

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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.