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Finding the Fourth Proportional to 103,263.60, 154,645.90 and 58,755.52

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Solution

The fourth proportional to 103,263.60, 154,645.90 and 58,755.52 is: 87,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,263.60 : 154,645.90 = 58,755.52 : x
  2. Step 2: Convert to fraction form
    103,263.60/154,645.90 = 58,755.52/x
  3. Step 3: Cross multiply
    103,263.60x = 154,645.90 × 58,755.52
  4. Step 4: Simplify right side
    103,263.60x = 9,086,300,270.37
  5. Step 5: Solve for x
    x = 9,086,300,270.37/103,263.60
  6. Step 6: Final answer
    x = 87,991.32

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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.