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Finding the Fourth Proportional to 256,596.94, 354,089.47 and 141,868.95

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Solution

The fourth proportional to 256,596.94, 354,089.47 and 141,868.95 is: 195,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,596.94 : 354,089.47 = 141,868.95 : x
  2. Step 2: Convert to fraction form
    256,596.94/354,089.47 = 141,868.95/x
  3. Step 3: Cross multiply
    256,596.94x = 354,089.47 × 141,868.95
  4. Step 4: Simplify right side
    256,596.94x = 50,234,301,314.96
  5. Step 5: Solve for x
    x = 50,234,301,314.96/256,596.94
  6. Step 6: Final answer
    x = 195,771.24

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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.