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Finding the Fourth Proportional to 155,183.17, 214,153.01 and 88,115.17

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Solution

The fourth proportional to 155,183.17, 214,153.01 and 88,115.17 is: 121,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,183.17 : 214,153.01 = 88,115.17 : x
  2. Step 2: Convert to fraction form
    155,183.17/214,153.01 = 88,115.17/x
  3. Step 3: Cross multiply
    155,183.17x = 214,153.01 × 88,115.17
  4. Step 4: Simplify right side
    155,183.17x = 18,870,128,882.16
  5. Step 5: Solve for x
    x = 18,870,128,882.16/155,183.17
  6. Step 6: Final answer
    x = 121,599.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.