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Finding the Fourth Proportional to 253,600.26, 349,968.22 and 140,423.01

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Solution

The fourth proportional to 253,600.26, 349,968.22 and 140,423.01 is: 193,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,600.26 : 349,968.22 = 140,423.01 : x
  2. Step 2: Convert to fraction form
    253,600.26/349,968.22 = 140,423.01/x
  3. Step 3: Cross multiply
    253,600.26x = 349,968.22 × 140,423.01
  4. Step 4: Simplify right side
    253,600.26x = 49,143,590,856.74
  5. Step 5: Solve for x
    x = 49,143,590,856.74/253,600.26
  6. Step 6: Final answer
    x = 193,783.68

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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.