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Finding the Fourth Proportional to 254,807.10, 382,209.30 and 65,267.10

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Solution

The fourth proportional to 254,807.10, 382,209.30 and 65,267.10 is: 97,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,807.10 : 382,209.30 = 65,267.10 : x
  2. Step 2: Convert to fraction form
    254,807.10/382,209.30 = 65,267.10/x
  3. Step 3: Cross multiply
    254,807.10x = 382,209.30 × 65,267.10
  4. Step 4: Simplify right side
    254,807.10x = 24,945,692,604.03
  5. Step 5: Solve for x
    x = 24,945,692,604.03/254,807.10
  6. Step 6: Final answer
    x = 97,900.30

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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.