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Finding the Fourth Proportional to 98,468.22, 147,750.52 and 61,018.27

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Solution

The fourth proportional to 98,468.22, 147,750.52 and 61,018.27 is: 91,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,468.22 : 147,750.52 = 61,018.27 : x
  2. Step 2: Convert to fraction form
    98,468.22/147,750.52 = 61,018.27/x
  3. Step 3: Cross multiply
    98,468.22x = 147,750.52 × 61,018.27
  4. Step 4: Simplify right side
    98,468.22x = 9,015,481,122.00
  5. Step 5: Solve for x
    x = 9,015,481,122.00/98,468.22
  6. Step 6: Final answer
    x = 91,557.27

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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.