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Finding the Fourth Proportional to 254,664.60, 382,169.70 and 165,701.40

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Solution

The fourth proportional to 254,664.60, 382,169.70 and 165,701.40 is: 248,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,664.60 : 382,169.70 = 165,701.40 : x
  2. Step 2: Convert to fraction form
    254,664.60/382,169.70 = 165,701.40/x
  3. Step 3: Cross multiply
    254,664.60x = 382,169.70 × 165,701.40
  4. Step 4: Simplify right side
    254,664.60x = 63,326,054,327.58
  5. Step 5: Solve for x
    x = 63,326,054,327.58/254,664.60
  6. Step 6: Final answer
    x = 248,664.53

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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.