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Finding the Fourth Proportional to 240,118.53, 331,383.53 and 132,709.53

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Solution

The fourth proportional to 240,118.53, 331,383.53 and 132,709.53 is: 183,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,118.53 : 331,383.53 = 132,709.53 : x
  2. Step 2: Convert to fraction form
    240,118.53/331,383.53 = 132,709.53/x
  3. Step 3: Cross multiply
    240,118.53x = 331,383.53 × 132,709.53
  4. Step 4: Simplify right side
    240,118.53x = 43,977,751,852.49
  5. Step 5: Solve for x
    x = 43,977,751,852.49/240,118.53
  6. Step 6: Final answer
    x = 183,150.18

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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.