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Finding the Fourth Proportional to 173,345.80, 259,889.10 and 73,424.20

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Solution

The fourth proportional to 173,345.80, 259,889.10 and 73,424.20 is: 110,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,345.80 : 259,889.10 = 73,424.20 : x
  2. Step 2: Convert to fraction form
    173,345.80/259,889.10 = 73,424.20/x
  3. Step 3: Cross multiply
    173,345.80x = 259,889.10 × 73,424.20
  4. Step 4: Simplify right side
    173,345.80x = 19,082,149,256.22
  5. Step 5: Solve for x
    x = 19,082,149,256.22/173,345.80
  6. Step 6: Final answer
    x = 110,081.41

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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.