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Finding the Fourth Proportional to 93,604.42, 129,176 and 51,165.69

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Solution

The fourth proportional to 93,604.42, 129,176 and 51,165.69 is: 70,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,604.42 : 129,176 = 51,165.69 : x
  2. Step 2: Convert to fraction form
    93,604.42/129,176 = 51,165.69/x
  3. Step 3: Cross multiply
    93,604.42x = 129,176 × 51,165.69
  4. Step 4: Simplify right side
    93,604.42x = 6,609,379,171.44
  5. Step 5: Solve for x
    x = 6,609,379,171.44/93,604.42
  6. Step 6: Final answer
    x = 70,609.69

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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.