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Finding the Fourth Proportional to 86,908.89, 119,944.36 and 52,937.26

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Solution

The fourth proportional to 86,908.89, 119,944.36 and 52,937.26 is: 73,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908.89 : 119,944.36 = 52,937.26 : x
  2. Step 2: Convert to fraction form
    86,908.89/119,944.36 = 52,937.26/x
  3. Step 3: Cross multiply
    86,908.89x = 119,944.36 × 52,937.26
  4. Step 4: Simplify right side
    86,908.89x = 6,349,525,770.85
  5. Step 5: Solve for x
    x = 6,349,525,770.85/86,908.89
  6. Step 6: Final answer
    x = 73,059.57

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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.