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Finding the Fourth Proportional to 191,807.16, 264,694.48 and 104,591.60

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Solution

The fourth proportional to 191,807.16, 264,694.48 and 104,591.60 is: 144,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,807.16 : 264,694.48 = 104,591.60 : x
  2. Step 2: Convert to fraction form
    191,807.16/264,694.48 = 104,591.60/x
  3. Step 3: Cross multiply
    191,807.16x = 264,694.48 × 104,591.60
  4. Step 4: Simplify right side
    191,807.16x = 27,684,819,174.37
  5. Step 5: Solve for x
    x = 27,684,819,174.37/191,807.16
  6. Step 6: Final answer
    x = 144,336.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.