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Finding the Fourth Proportional to 114,144.88, 157,533.24 and 66,400.24

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Solution

The fourth proportional to 114,144.88, 157,533.24 and 66,400.24 is: 91,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,144.88 : 157,533.24 = 66,400.24 : x
  2. Step 2: Convert to fraction form
    114,144.88/157,533.24 = 66,400.24/x
  3. Step 3: Cross multiply
    114,144.88x = 157,533.24 × 66,400.24
  4. Step 4: Simplify right side
    114,144.88x = 10,460,244,943.98
  5. Step 5: Solve for x
    x = 10,460,244,943.98/114,144.88
  6. Step 6: Final answer
    x = 91,640.07

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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.