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Finding the Fourth Proportional to 256,596.93, 354,089.48 and 141,868.94

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Solution

The fourth proportional to 256,596.93, 354,089.48 and 141,868.94 is: 195,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,596.93 : 354,089.48 = 141,868.94 : x
  2. Step 2: Convert to fraction form
    256,596.93/354,089.48 = 141,868.94/x
  3. Step 3: Cross multiply
    256,596.93x = 354,089.48 × 141,868.94
  4. Step 4: Simplify right side
    256,596.93x = 50,234,299,192.75
  5. Step 5: Solve for x
    x = 50,234,299,192.75/256,596.93
  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.