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Finding the Fourth Proportional to 117,846.80, 176,885.40 and 58,749.20

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Solution

The fourth proportional to 117,846.80, 176,885.40 and 58,749.20 is: 88,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,846.80 : 176,885.40 = 58,749.20 : x
  2. Step 2: Convert to fraction form
    117,846.80/176,885.40 = 58,749.20/x
  3. Step 3: Cross multiply
    117,846.80x = 176,885.40 × 58,749.20
  4. Step 4: Simplify right side
    117,846.80x = 10,391,875,741.68
  5. Step 5: Solve for x
    x = 10,391,875,741.68/117,846.80
  6. Step 6: Final answer
    x = 88,181.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.