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Finding the Fourth Proportional to 256,734.03, 354,265.71 and 141,994.44

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Solution

The fourth proportional to 256,734.03, 354,265.71 and 141,994.44 is: 195,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,734.03 : 354,265.71 = 141,994.44 : x
  2. Step 2: Convert to fraction form
    256,734.03/354,265.71 = 141,994.44/x
  3. Step 3: Cross multiply
    256,734.03x = 354,265.71 × 141,994.44
  4. Step 4: Simplify right side
    256,734.03x = 50,303,761,102.65
  5. Step 5: Solve for x
    x = 50,303,761,102.65/256,734.03
  6. Step 6: Final answer
    x = 195,937.25

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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.