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Finding the Fourth Proportional to 191,496.60, 264,260.52 and 105,454.91

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Solution

The fourth proportional to 191,496.60, 264,260.52 and 105,454.91 is: 145,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,496.60 : 264,260.52 = 105,454.91 : x
  2. Step 2: Convert to fraction form
    191,496.60/264,260.52 = 105,454.91/x
  3. Step 3: Cross multiply
    191,496.60x = 264,260.52 × 105,454.91
  4. Step 4: Simplify right side
    191,496.60x = 27,867,568,825.88
  5. Step 5: Solve for x
    x = 27,867,568,825.88/191,496.60
  6. Step 6: Final answer
    x = 145,525.13

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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.