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Finding the Fourth Proportional to 110,954.52, 153,127.94 and 65,647.08

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Solution

The fourth proportional to 110,954.52, 153,127.94 and 65,647.08 is: 90,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,954.52 : 153,127.94 = 65,647.08 : x
  2. Step 2: Convert to fraction form
    110,954.52/153,127.94 = 65,647.08/x
  3. Step 3: Cross multiply
    110,954.52x = 153,127.94 × 65,647.08
  4. Step 4: Simplify right side
    110,954.52x = 10,052,401,799.18
  5. Step 5: Solve for x
    x = 10,052,401,799.18/110,954.52
  6. Step 6: Final answer
    x = 90,599.30

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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.