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Finding the Fourth Proportional to 186,305.10, 257,100.28 and 104,622

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Solution

The fourth proportional to 186,305.10, 257,100.28 and 104,622 is: 144,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,305.10 : 257,100.28 = 104,622 : x
  2. Step 2: Convert to fraction form
    186,305.10/257,100.28 = 104,622/x
  3. Step 3: Cross multiply
    186,305.10x = 257,100.28 × 104,622
  4. Step 4: Simplify right side
    186,305.10x = 26,898,345,494.16
  5. Step 5: Solve for x
    x = 26,898,345,494.16/186,305.10
  6. Step 6: Final answer
    x = 144,377.93

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