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Finding the Fourth Proportional to 98,055.58, 146,954.12 and 38,858.95

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Solution

The fourth proportional to 98,055.58, 146,954.12 and 38,858.95 is: 58,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.58 : 146,954.12 = 38,858.95 : x
  2. Step 2: Convert to fraction form
    98,055.58/146,954.12 = 38,858.95/x
  3. Step 3: Cross multiply
    98,055.58x = 146,954.12 × 38,858.95
  4. Step 4: Simplify right side
    98,055.58x = 5,710,481,872.31
  5. Step 5: Solve for x
    x = 5,710,481,872.31/98,055.58
  6. Step 6: Final answer
    x = 58,237.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.