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Finding the Fourth Proportional to 254,866.50, 351,716.18 and 141,689.26

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Solution

The fourth proportional to 254,866.50, 351,716.18 and 141,689.26 is: 195,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.50 : 351,716.18 = 141,689.26 : x
  2. Step 2: Convert to fraction form
    254,866.50/351,716.18 = 141,689.26/x
  3. Step 3: Cross multiply
    254,866.50x = 351,716.18 × 141,689.26
  4. Step 4: Simplify right side
    254,866.50x = 49,834,405,274.23
  5. Step 5: Solve for x
    x = 49,834,405,274.23/254,866.50
  6. Step 6: Final answer
    x = 195,531.41

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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.