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Finding the Fourth Proportional to 140,019.94, 193,074.74 and 94,619.19

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Solution

The fourth proportional to 140,019.94, 193,074.74 and 94,619.19 is: 130,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,019.94 : 193,074.74 = 94,619.19 : x
  2. Step 2: Convert to fraction form
    140,019.94/193,074.74 = 94,619.19/x
  3. Step 3: Cross multiply
    140,019.94x = 193,074.74 × 94,619.19
  4. Step 4: Simplify right side
    140,019.94x = 18,268,575,027.97
  5. Step 5: Solve for x
    x = 18,268,575,027.97/140,019.94
  6. Step 6: Final answer
    x = 130,471.24

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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.