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Finding the Fourth Proportional to 256,599.94, 354,093.61 and 141,871.95

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Solution

The fourth proportional to 256,599.94, 354,093.61 and 141,871.95 is: 195,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,599.94 : 354,093.61 = 141,871.95 : x
  2. Step 2: Convert to fraction form
    256,599.94/354,093.61 = 141,871.95/x
  3. Step 3: Cross multiply
    256,599.94x = 354,093.61 × 141,871.95
  4. Step 4: Simplify right side
    256,599.94x = 50,235,950,933.24
  5. Step 5: Solve for x
    x = 50,235,950,933.24/256,599.94
  6. Step 6: Final answer
    x = 195,775.38

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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.