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Finding the Fourth Proportional to 230,768.34, 318,460.14 and 130,166.34

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Solution

The fourth proportional to 230,768.34, 318,460.14 and 130,166.34 is: 179,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,768.34 : 318,460.14 = 130,166.34 : x
  2. Step 2: Convert to fraction form
    230,768.34/318,460.14 = 130,166.34/x
  3. Step 3: Cross multiply
    230,768.34x = 318,460.14 × 130,166.34
  4. Step 4: Simplify right side
    230,768.34x = 41,452,790,859.69
  5. Step 5: Solve for x
    x = 41,452,790,859.69/230,768.34
  6. Step 6: Final answer
    x = 179,629.45

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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.