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Finding the Fourth Proportional to 110,793.72, 152,912.88 and 70,465.44

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Solution

The fourth proportional to 110,793.72, 152,912.88 and 70,465.44 is: 97,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,793.72 : 152,912.88 = 70,465.44 : x
  2. Step 2: Convert to fraction form
    110,793.72/152,912.88 = 70,465.44/x
  3. Step 3: Cross multiply
    110,793.72x = 152,912.88 × 70,465.44
  4. Step 4: Simplify right side
    110,793.72x = 10,775,073,370.87
  5. Step 5: Solve for x
    x = 10,775,073,370.87/110,793.72
  6. Step 6: Final answer
    x = 97,253.47

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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.