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Finding the Fourth Proportional to 104,063, 156,089.02 and 29,188.32

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Solution

The fourth proportional to 104,063, 156,089.02 and 29,188.32 is: 43,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063 : 156,089.02 = 29,188.32 : x
  2. Step 2: Convert to fraction form
    104,063/156,089.02 = 29,188.32/x
  3. Step 3: Cross multiply
    104,063x = 156,089.02 × 29,188.32
  4. Step 4: Simplify right side
    104,063x = 4,555,976,264.25
  5. Step 5: Solve for x
    x = 4,555,976,264.25/104,063
  6. Step 6: Final answer
    x = 43,780.94

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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.