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Finding the Fourth Proportional to 156,064.56, 215,289.74 and 94,794.44

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Solution

The fourth proportional to 156,064.56, 215,289.74 and 94,794.44 is: 130,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,064.56 : 215,289.74 = 94,794.44 : x
  2. Step 2: Convert to fraction form
    156,064.56/215,289.74 = 94,794.44/x
  3. Step 3: Cross multiply
    156,064.56x = 215,289.74 × 94,794.44
  4. Step 4: Simplify right side
    156,064.56x = 20,408,270,341.05
  5. Step 5: Solve for x
    x = 20,408,270,341.05/156,064.56
  6. Step 6: Final answer
    x = 130,768.13

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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.