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Finding the Fourth Proportional to 220,577.92, 304,401 and 125,082.64

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Solution

The fourth proportional to 220,577.92, 304,401 and 125,082.64 is: 172,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,577.92 : 304,401 = 125,082.64 : x
  2. Step 2: Convert to fraction form
    220,577.92/304,401 = 125,082.64/x
  3. Step 3: Cross multiply
    220,577.92x = 304,401 × 125,082.64
  4. Step 4: Simplify right side
    220,577.92x = 38,075,280,698.64
  5. Step 5: Solve for x
    x = 38,075,280,698.64/220,577.92
  6. Step 6: Final answer
    x = 172,616.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.