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Finding the Fourth Proportional to 230,093.94, 317,573.66 and 139,499.30

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Solution

The fourth proportional to 230,093.94, 317,573.66 and 139,499.30 is: 192,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,093.94 : 317,573.66 = 139,499.30 : x
  2. Step 2: Convert to fraction form
    230,093.94/317,573.66 = 139,499.30/x
  3. Step 3: Cross multiply
    230,093.94x = 317,573.66 × 139,499.30
  4. Step 4: Simplify right side
    230,093.94x = 44,301,303,268.44
  5. Step 5: Solve for x
    x = 44,301,303,268.44/230,093.94
  6. Step 6: Final answer
    x = 192,535.72

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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.