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Finding the Fourth Proportional to 265,874.72, 366,898.16 and 158,389.08

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Solution

The fourth proportional to 265,874.72, 366,898.16 and 158,389.08 is: 218,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,874.72 : 366,898.16 = 158,389.08 : x
  2. Step 2: Convert to fraction form
    265,874.72/366,898.16 = 158,389.08/x
  3. Step 3: Cross multiply
    265,874.72x = 366,898.16 × 158,389.08
  4. Step 4: Simplify right side
    265,874.72x = 58,112,662,016.09
  5. Step 5: Solve for x
    x = 58,112,662,016.09/265,874.72
  6. Step 6: Final answer
    x = 218,571.60

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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.