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Finding the Fourth Proportional to 255,308.06, 382,784.42 and 113,076.12

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Solution

The fourth proportional to 255,308.06, 382,784.42 and 113,076.12 is: 169,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,308.06 : 382,784.42 = 113,076.12 : x
  2. Step 2: Convert to fraction form
    255,308.06/382,784.42 = 113,076.12/x
  3. Step 3: Cross multiply
    255,308.06x = 382,784.42 × 113,076.12
  4. Step 4: Simplify right side
    255,308.06x = 43,283,777,010.05
  5. Step 5: Solve for x
    x = 43,283,777,010.05/255,308.06
  6. Step 6: Final answer
    x = 169,535.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.