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Finding the Fourth Proportional to 254,809.10, 382,212.30 and 65,269.10

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Solution

The fourth proportional to 254,809.10, 382,212.30 and 65,269.10 is: 97,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,809.10 : 382,212.30 = 65,269.10 : x
  2. Step 2: Convert to fraction form
    254,809.10/382,212.30 = 65,269.10/x
  3. Step 3: Cross multiply
    254,809.10x = 382,212.30 × 65,269.10
  4. Step 4: Simplify right side
    254,809.10x = 24,946,652,829.93
  5. Step 5: Solve for x
    x = 24,946,652,829.93/254,809.10
  6. Step 6: Final answer
    x = 97,903.30

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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.