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Finding the Fourth Proportional to 241,361.40, 362,040.30 and 72,881.40

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Solution

The fourth proportional to 241,361.40, 362,040.30 and 72,881.40 is: 109,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,361.40 : 362,040.30 = 72,881.40 : x
  2. Step 2: Convert to fraction form
    241,361.40/362,040.30 = 72,881.40/x
  3. Step 3: Cross multiply
    241,361.40x = 362,040.30 × 72,881.40
  4. Step 4: Simplify right side
    241,361.40x = 26,386,003,920.42
  5. Step 5: Solve for x
    x = 26,386,003,920.42/241,361.40
  6. Step 6: Final answer
    x = 109,321.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.