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Finding the Fourth Proportional to 241,423.20, 361,875.60 and 91,605.60

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Solution

The fourth proportional to 241,423.20, 361,875.60 and 91,605.60 is: 137,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,423.20 : 361,875.60 = 91,605.60 : x
  2. Step 2: Convert to fraction form
    241,423.20/361,875.60 = 91,605.60/x
  3. Step 3: Cross multiply
    241,423.20x = 361,875.60 × 91,605.60
  4. Step 4: Simplify right side
    241,423.20x = 33,149,831,463.36
  5. Step 5: Solve for x
    x = 33,149,831,463.36/241,423.20
  6. Step 6: Final answer
    x = 137,310.05

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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.