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Finding the Fourth Proportional to 58,763.34, 88,157.97 and 19,318.77

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Solution

The fourth proportional to 58,763.34, 88,157.97 and 19,318.77 is: 28,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,763.34 : 88,157.97 = 19,318.77 : x
  2. Step 2: Convert to fraction form
    58,763.34/88,157.97 = 19,318.77/x
  3. Step 3: Cross multiply
    58,763.34x = 88,157.97 × 19,318.77
  4. Step 4: Simplify right side
    58,763.34x = 1,703,103,546.10
  5. Step 5: Solve for x
    x = 1,703,103,546.10/58,763.34
  6. Step 6: Final answer
    x = 28,982.42

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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.