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Finding the Fourth Proportional to 238,543.85, 329,238.37 and 141,729.08

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Solution

The fourth proportional to 238,543.85, 329,238.37 and 141,729.08 is: 195,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,543.85 : 329,238.37 = 141,729.08 : x
  2. Step 2: Convert to fraction form
    238,543.85/329,238.37 = 141,729.08/x
  3. Step 3: Cross multiply
    238,543.85x = 329,238.37 × 141,729.08
  4. Step 4: Simplify right side
    238,543.85x = 46,662,649,811.77
  5. Step 5: Solve for x
    x = 46,662,649,811.77/238,543.85
  6. Step 6: Final answer
    x = 195,614.56

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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.