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Finding the Fourth Proportional to 253,701.51, 350,118.90 and 140,524.26

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Solution

The fourth proportional to 253,701.51, 350,118.90 and 140,524.26 is: 193,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,701.51 : 350,118.90 = 140,524.26 : x
  2. Step 2: Convert to fraction form
    253,701.51/350,118.90 = 140,524.26/x
  3. Step 3: Cross multiply
    253,701.51x = 350,118.90 × 140,524.26
  4. Step 4: Simplify right side
    253,701.51x = 49,200,199,334.51
  5. Step 5: Solve for x
    x = 49,200,199,334.51/253,701.51
  6. Step 6: Final answer
    x = 193,929.47

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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.