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Finding the Fourth Proportional to 79,261.84, 118,883.04 and 46,000

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Solution

The fourth proportional to 79,261.84, 118,883.04 and 46,000 is: 68,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.84 : 118,883.04 = 46,000 : x
  2. Step 2: Convert to fraction form
    79,261.84/118,883.04 = 46,000/x
  3. Step 3: Cross multiply
    79,261.84x = 118,883.04 × 46,000
  4. Step 4: Simplify right side
    79,261.84x = 5,468,619,840
  5. Step 5: Solve for x
    x = 5,468,619,840/79,261.84
  6. Step 6: Final answer
    x = 68,994.36

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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.