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Finding the Fourth Proportional to 230,659.40, 317,837.58 and 170,134.22

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Solution

The fourth proportional to 230,659.40, 317,837.58 and 170,134.22 is: 234,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,659.40 : 317,837.58 = 170,134.22 : x
  2. Step 2: Convert to fraction form
    230,659.40/317,837.58 = 170,134.22/x
  3. Step 3: Cross multiply
    230,659.40x = 317,837.58 × 170,134.22
  4. Step 4: Simplify right side
    230,659.40x = 54,075,048,759.99
  5. Step 5: Solve for x
    x = 54,075,048,759.99/230,659.40
  6. Step 6: Final answer
    x = 234,436.79

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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.