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Finding the Fourth Proportional to 104,301.58, 156,450.72 and 25,415.68

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Solution

The fourth proportional to 104,301.58, 156,450.72 and 25,415.68 is: 38,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301.58 : 156,450.72 = 25,415.68 : x
  2. Step 2: Convert to fraction form
    104,301.58/156,450.72 = 25,415.68/x
  3. Step 3: Cross multiply
    104,301.58x = 156,450.72 × 25,415.68
  4. Step 4: Simplify right side
    104,301.58x = 3,976,301,435.29
  5. Step 5: Solve for x
    x = 3,976,301,435.29/104,301.58
  6. Step 6: Final answer
    x = 38,123.12

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1.5x scale

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.