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Finding the Fourth Proportional to 104,446.40, 156,689.44 and 34,345.92

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Solution

The fourth proportional to 104,446.40, 156,689.44 and 34,345.92 is: 51,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,446.40 : 156,689.44 = 34,345.92 : x
  2. Step 2: Convert to fraction form
    104,446.40/156,689.44 = 34,345.92/x
  3. Step 3: Cross multiply
    104,446.40x = 156,689.44 × 34,345.92
  4. Step 4: Simplify right side
    104,446.40x = 5,381,642,971.08
  5. Step 5: Solve for x
    x = 5,381,642,971.08/104,446.40
  6. Step 6: Final answer
    x = 51,525.40

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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.