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Finding the Fourth Proportional to 248,759.60, 343,297.51 and 141,347.84

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Solution

The fourth proportional to 248,759.60, 343,297.51 and 141,347.84 is: 195,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,759.60 : 343,297.51 = 141,347.84 : x
  2. Step 2: Convert to fraction form
    248,759.60/343,297.51 = 141,347.84/x
  3. Step 3: Cross multiply
    248,759.60x = 343,297.51 × 141,347.84
  4. Step 4: Simplify right side
    248,759.60x = 48,524,359,446.02
  5. Step 5: Solve for x
    x = 48,524,359,446.02/248,759.60
  6. Step 6: Final answer
    x = 195,065.28

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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.