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Finding the Fourth Proportional to 254,181.84, 350,767.68 and 137,893.60

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Solution

The fourth proportional to 254,181.84, 350,767.68 and 137,893.60 is: 190,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,181.84 : 350,767.68 = 137,893.60 : x
  2. Step 2: Convert to fraction form
    254,181.84/350,767.68 = 137,893.60/x
  3. Step 3: Cross multiply
    254,181.84x = 350,767.68 × 137,893.60
  4. Step 4: Simplify right side
    254,181.84x = 48,368,618,158.85
  5. Step 5: Solve for x
    x = 48,368,618,158.85/254,181.84
  6. Step 6: Final answer
    x = 190,291.40

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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.