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Finding the Fourth Proportional to 254,810.60, 382,214.55 and 65,270.60

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Solution

The fourth proportional to 254,810.60, 382,214.55 and 65,270.60 is: 97,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,810.60 : 382,214.55 = 65,270.60 : x
  2. Step 2: Convert to fraction form
    254,810.60/382,214.55 = 65,270.60/x
  3. Step 3: Cross multiply
    254,810.60x = 382,214.55 × 65,270.60
  4. Step 4: Simplify right side
    254,810.60x = 24,947,373,007.23
  5. Step 5: Solve for x
    x = 24,947,373,007.23/254,810.60
  6. Step 6: Final answer
    x = 97,905.55

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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.