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Finding the Fourth Proportional to 254,871, 351,722.40 and 141,693.75

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Solution

The fourth proportional to 254,871, 351,722.40 and 141,693.75 is: 195,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,871 : 351,722.40 = 141,693.75 : x
  2. Step 2: Convert to fraction form
    254,871/351,722.40 = 141,693.75/x
  3. Step 3: Cross multiply
    254,871x = 351,722.40 × 141,693.75
  4. Step 4: Simplify right side
    254,871x = 49,836,865,815
  5. Step 5: Solve for x
    x = 49,836,865,815/254,871
  6. Step 6: Final answer
    x = 195,537.61

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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.