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Finding the Fourth Proportional to 158,762.76, 219,103.56 and 104,954.46

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Solution

The fourth proportional to 158,762.76, 219,103.56 and 104,954.46 is: 144,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,762.76 : 219,103.56 = 104,954.46 : x
  2. Step 2: Convert to fraction form
    158,762.76/219,103.56 = 104,954.46/x
  3. Step 3: Cross multiply
    158,762.76x = 219,103.56 × 104,954.46
  4. Step 4: Simplify right side
    158,762.76x = 22,995,895,823.88
  5. Step 5: Solve for x
    x = 22,995,895,823.88/158,762.76
  6. Step 6: Final answer
    x = 144,844.39

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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.