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Finding the Fourth Proportional to 104,153.87, 156,674.28 and 94,410.80

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Solution

The fourth proportional to 104,153.87, 156,674.28 and 94,410.80 is: 142,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.87 : 156,674.28 = 94,410.80 : x
  2. Step 2: Convert to fraction form
    104,153.87/156,674.28 = 94,410.80/x
  3. Step 3: Cross multiply
    104,153.87x = 156,674.28 × 94,410.80
  4. Step 4: Simplify right side
    104,153.87x = 14,791,744,114.22
  5. Step 5: Solve for x
    x = 14,791,744,114.22/104,153.87
  6. Step 6: Final answer
    x = 142,018.19

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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.