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Finding the Fourth Proportional to 265,540.34, 366,278.22 and 158,030.12

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Solution

The fourth proportional to 265,540.34, 366,278.22 and 158,030.12 is: 217,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,540.34 : 366,278.22 = 158,030.12 : x
  2. Step 2: Convert to fraction form
    265,540.34/366,278.22 = 158,030.12/x
  3. Step 3: Cross multiply
    265,540.34x = 366,278.22 × 158,030.12
  4. Step 4: Simplify right side
    265,540.34x = 57,882,991,059.99
  5. Step 5: Solve for x
    x = 57,882,991,059.99/265,540.34
  6. Step 6: Final answer
    x = 217,981.91

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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.