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Finding the Fourth Proportional to 114,199.16, 171,297.99 and 89,260.20

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Solution

The fourth proportional to 114,199.16, 171,297.99 and 89,260.20 is: 133,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,199.16 : 171,297.99 = 89,260.20 : x
  2. Step 2: Convert to fraction form
    114,199.16/171,297.99 = 89,260.20/x
  3. Step 3: Cross multiply
    114,199.16x = 171,297.99 × 89,260.20
  4. Step 4: Simplify right side
    114,199.16x = 15,290,092,847.00
  5. Step 5: Solve for x
    x = 15,290,092,847.00/114,199.16
  6. Step 6: Final answer
    x = 133,889.72

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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.