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Finding the Fourth Proportional to 136,374.84, 204,612.48 and 57,480.84

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Solution

The fourth proportional to 136,374.84, 204,612.48 and 57,480.84 is: 86,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,374.84 : 204,612.48 = 57,480.84 : x
  2. Step 2: Convert to fraction form
    136,374.84/204,612.48 = 57,480.84/x
  3. Step 3: Cross multiply
    136,374.84x = 204,612.48 × 57,480.84
  4. Step 4: Simplify right side
    136,374.84x = 11,761,297,224.88
  5. Step 5: Solve for x
    x = 11,761,297,224.88/136,374.84
  6. Step 6: Final answer
    x = 86,242.43

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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.