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Finding the Fourth Proportional to 88,647.14, 122,850.59 and 86,964.98

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Solution

The fourth proportional to 88,647.14, 122,850.59 and 86,964.98 is: 120,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.14 : 122,850.59 = 86,964.98 : x
  2. Step 2: Convert to fraction form
    88,647.14/122,850.59 = 86,964.98/x
  3. Step 3: Cross multiply
    88,647.14x = 122,850.59 × 86,964.98
  4. Step 4: Simplify right side
    88,647.14x = 10,683,698,053.26
  5. Step 5: Solve for x
    x = 10,683,698,053.26/88,647.14
  6. Step 6: Final answer
    x = 120,519.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.