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Finding the Fourth Proportional to 92,668.31, 127,884.23 and 52,379.67

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Solution

The fourth proportional to 92,668.31, 127,884.23 and 52,379.67 is: 72,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.31 : 127,884.23 = 52,379.67 : x
  2. Step 2: Convert to fraction form
    92,668.31/127,884.23 = 52,379.67/x
  3. Step 3: Cross multiply
    92,668.31x = 127,884.23 × 52,379.67
  4. Step 4: Simplify right side
    92,668.31x = 6,698,533,754.98
  5. Step 5: Solve for x
    x = 6,698,533,754.98/92,668.31
  6. Step 6: Final answer
    x = 72,285.05

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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.