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Finding the Fourth Proportional to 104,443.10, 156,664.65 and 100,360.70

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Solution

The fourth proportional to 104,443.10, 156,664.65 and 100,360.70 is: 150,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,443.10 : 156,664.65 = 100,360.70 : x
  2. Step 2: Convert to fraction form
    104,443.10/156,664.65 = 100,360.70/x
  3. Step 3: Cross multiply
    104,443.10x = 156,664.65 × 100,360.70
  4. Step 4: Simplify right side
    104,443.10x = 15,722,973,939.26
  5. Step 5: Solve for x
    x = 15,722,973,939.26/104,443.10
  6. Step 6: Final answer
    x = 150,541.05

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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.