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Finding the Fourth Proportional to 98,090.53, 147,137.15 and 27,969.83

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Solution

The fourth proportional to 98,090.53, 147,137.15 and 27,969.83 is: 41,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.53 : 147,137.15 = 27,969.83 : x
  2. Step 2: Convert to fraction form
    98,090.53/147,137.15 = 27,969.83/x
  3. Step 3: Cross multiply
    98,090.53x = 147,137.15 × 27,969.83
  4. Step 4: Simplify right side
    98,090.53x = 4,115,400,932.34
  5. Step 5: Solve for x
    x = 4,115,400,932.34/98,090.53
  6. Step 6: Final answer
    x = 41,955.13

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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.