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Finding the Fourth Proportional to 86,550.88, 119,441.12 and 50,741.88

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Solution

The fourth proportional to 86,550.88, 119,441.12 and 50,741.88 is: 70,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,550.88 : 119,441.12 = 50,741.88 : x
  2. Step 2: Convert to fraction form
    86,550.88/119,441.12 = 50,741.88/x
  3. Step 3: Cross multiply
    86,550.88x = 119,441.12 × 50,741.88
  4. Step 4: Simplify right side
    86,550.88x = 6,060,666,978.11
  5. Step 5: Solve for x
    x = 6,060,666,978.11/86,550.88
  6. Step 6: Final answer
    x = 70,024.33

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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.