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Finding the Fourth Proportional to 253,601.26, 349,969.60 and 140,424.01

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Solution

The fourth proportional to 253,601.26, 349,969.60 and 140,424.01 is: 193,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,601.26 : 349,969.60 = 140,424.01 : x
  2. Step 2: Convert to fraction form
    253,601.26/349,969.60 = 140,424.01/x
  3. Step 3: Cross multiply
    253,601.26x = 349,969.60 × 140,424.01
  4. Step 4: Simplify right side
    253,601.26x = 49,144,134,610.10
  5. Step 5: Solve for x
    x = 49,144,134,610.10/253,601.26
  6. Step 6: Final answer
    x = 193,785.06

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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.