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Finding the Fourth Proportional to 173,239.34, 259,859.04 and 65,189.05

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Solution

The fourth proportional to 173,239.34, 259,859.04 and 65,189.05 is: 97,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,239.34 : 259,859.04 = 65,189.05 : x
  2. Step 2: Convert to fraction form
    173,239.34/259,859.04 = 65,189.05/x
  3. Step 3: Cross multiply
    173,239.34x = 259,859.04 × 65,189.05
  4. Step 4: Simplify right side
    173,239.34x = 16,939,962,652.22
  5. Step 5: Solve for x
    x = 16,939,962,652.22/173,239.34
  6. Step 6: Final answer
    x = 97,783.58

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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.