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Finding the Fourth Proportional to 186,410.10, 257,230.13 and 104,731.96

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Solution

The fourth proportional to 186,410.10, 257,230.13 and 104,731.96 is: 144,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,410.10 : 257,230.13 = 104,731.96 : x
  2. Step 2: Convert to fraction form
    186,410.10/257,230.13 = 104,731.96/x
  3. Step 3: Cross multiply
    186,410.10x = 257,230.13 × 104,731.96
  4. Step 4: Simplify right side
    186,410.10x = 26,940,214,399.80
  5. Step 5: Solve for x
    x = 26,940,214,399.80/186,410.10
  6. Step 6: Final answer
    x = 144,521.22

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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.