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Finding the Fourth Proportional to 85,570.98, 118,092.11 and 47,330.37

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Solution

The fourth proportional to 85,570.98, 118,092.11 and 47,330.37 is: 65,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,570.98 : 118,092.11 = 47,330.37 : x
  2. Step 2: Convert to fraction form
    85,570.98/118,092.11 = 47,330.37/x
  3. Step 3: Cross multiply
    85,570.98x = 118,092.11 × 47,330.37
  4. Step 4: Simplify right side
    85,570.98x = 5,589,343,260.38
  5. Step 5: Solve for x
    x = 5,589,343,260.38/85,570.98
  6. Step 6: Final answer
    x = 65,318.21

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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.