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Finding the Fourth Proportional to 86,563.44, 119,460.96 and 50,748.48

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Solution

The fourth proportional to 86,563.44, 119,460.96 and 50,748.48 is: 70,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563.44 : 119,460.96 = 50,748.48 : x
  2. Step 2: Convert to fraction form
    86,563.44/119,460.96 = 50,748.48/x
  3. Step 3: Cross multiply
    86,563.44x = 119,460.96 × 50,748.48
  4. Step 4: Simplify right side
    86,563.44x = 6,062,462,139.34
  5. Step 5: Solve for x
    x = 6,062,462,139.34/86,563.44
  6. Step 6: Final answer
    x = 70,034.90

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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.