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Finding the Fourth Proportional to 114,629.64, 171,993.74 and 55,509.64

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Solution

The fourth proportional to 114,629.64, 171,993.74 and 55,509.64 is: 83,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,629.64 : 171,993.74 = 55,509.64 : x
  2. Step 2: Convert to fraction form
    114,629.64/171,993.74 = 55,509.64/x
  3. Step 3: Cross multiply
    114,629.64x = 171,993.74 × 55,509.64
  4. Step 4: Simplify right side
    114,629.64x = 9,547,310,589.65
  5. Step 5: Solve for x
    x = 9,547,310,589.65/114,629.64
  6. Step 6: Final answer
    x = 83,288.32

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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.