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Finding the Fourth Proportional to 243,393.57, 364,915.35 and 110,205.27

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Solution

The fourth proportional to 243,393.57, 364,915.35 and 110,205.27 is: 165,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,393.57 : 364,915.35 = 110,205.27 : x
  2. Step 2: Convert to fraction form
    243,393.57/364,915.35 = 110,205.27/x
  3. Step 3: Cross multiply
    243,393.57x = 364,915.35 × 110,205.27
  4. Step 4: Simplify right side
    243,393.57x = 40,215,594,673.89
  5. Step 5: Solve for x
    x = 40,215,594,673.89/243,393.57
  6. Step 6: Final answer
    x = 165,228.67

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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.