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Finding the Fourth Proportional to 256,732.53, 354,263.63 and 141,992.94

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Solution

The fourth proportional to 256,732.53, 354,263.63 and 141,992.94 is: 195,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,732.53 : 354,263.63 = 141,992.94 : x
  2. Step 2: Convert to fraction form
    256,732.53/354,263.63 = 141,992.94/x
  3. Step 3: Cross multiply
    256,732.53x = 354,263.63 × 141,992.94
  4. Step 4: Simplify right side
    256,732.53x = 50,302,933,648.81
  5. Step 5: Solve for x
    x = 50,302,933,648.81/256,732.53
  6. Step 6: Final answer
    x = 195,935.18

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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.