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Finding the Fourth Proportional to 254,690.60, 382,208.70 and 165,727.40

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Solution

The fourth proportional to 254,690.60, 382,208.70 and 165,727.40 is: 248,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.60 : 382,208.70 = 165,727.40 : x
  2. Step 2: Convert to fraction form
    254,690.60/382,208.70 = 165,727.40/x
  3. Step 3: Cross multiply
    254,690.60x = 382,208.70 × 165,727.40
  4. Step 4: Simplify right side
    254,690.60x = 63,342,454,108.38
  5. Step 5: Solve for x
    x = 63,342,454,108.38/254,690.60
  6. Step 6: Final answer
    x = 248,703.54

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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.