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Finding the Fourth Proportional to 104,303.58, 156,453.72 and 25,417.68

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Solution

The fourth proportional to 104,303.58, 156,453.72 and 25,417.68 is: 38,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,303.58 : 156,453.72 = 25,417.68 : x
  2. Step 2: Convert to fraction form
    104,303.58/156,453.72 = 25,417.68/x
  3. Step 3: Cross multiply
    104,303.58x = 156,453.72 × 25,417.68
  4. Step 4: Simplify right side
    104,303.58x = 3,976,690,589.77
  5. Step 5: Solve for x
    x = 3,976,690,589.77/104,303.58
  6. Step 6: Final answer
    x = 38,126.12

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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.