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Finding the Fourth Proportional to 167,994, 251,995.86 and 43,335

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Solution

The fourth proportional to 167,994, 251,995.86 and 43,335 is: 65,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,994 : 251,995.86 = 43,335 : x
  2. Step 2: Convert to fraction form
    167,994/251,995.86 = 43,335/x
  3. Step 3: Cross multiply
    167,994x = 251,995.86 × 43,335
  4. Step 4: Simplify right side
    167,994x = 10,920,240,593.10
  5. Step 5: Solve for x
    x = 10,920,240,593.10/167,994
  6. Step 6: Final answer
    x = 65,003.75

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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.