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Finding the Fourth Proportional to 173,309.40, 259,964.10 and 165,533.40

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Solution

The fourth proportional to 173,309.40, 259,964.10 and 165,533.40 is: 248,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,309.40 : 259,964.10 = 165,533.40 : x
  2. Step 2: Convert to fraction form
    173,309.40/259,964.10 = 165,533.40/x
  3. Step 3: Cross multiply
    173,309.40x = 259,964.10 × 165,533.40
  4. Step 4: Simplify right side
    173,309.40x = 43,032,741,350.94
  5. Step 5: Solve for x
    x = 43,032,741,350.94/173,309.40
  6. Step 6: Final answer
    x = 248,300.10

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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.