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Finding the Fourth Proportional to 291,392.24, 437,166.14 and 104,422.64

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Solution

The fourth proportional to 291,392.24, 437,166.14 and 104,422.64 is: 156,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,392.24 : 437,166.14 = 104,422.64 : x
  2. Step 2: Convert to fraction form
    291,392.24/437,166.14 = 104,422.64/x
  3. Step 3: Cross multiply
    291,392.24x = 437,166.14 × 104,422.64
  4. Step 4: Simplify right side
    291,392.24x = 45,650,042,457.41
  5. Step 5: Solve for x
    x = 45,650,042,457.41/291,392.24
  6. Step 6: Final answer
    x = 156,661.83

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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.