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Finding the Fourth Proportional to 69,047.21, 103,066.74 and 59,249.45

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Solution

The fourth proportional to 69,047.21, 103,066.74 and 59,249.45 is: 88,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,047.21 : 103,066.74 = 59,249.45 : x
  2. Step 2: Convert to fraction form
    69,047.21/103,066.74 = 59,249.45/x
  3. Step 3: Cross multiply
    69,047.21x = 103,066.74 × 59,249.45
  4. Step 4: Simplify right side
    69,047.21x = 6,106,647,915.96
  5. Step 5: Solve for x
    x = 6,106,647,915.96/69,047.21
  6. Step 6: Final answer
    x = 88,441.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.