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Finding the Fourth Proportional to 181,935.60, 272,903.40 and 57,276.60

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Solution

The fourth proportional to 181,935.60, 272,903.40 and 57,276.60 is: 85,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,935.60 : 272,903.40 = 57,276.60 : x
  2. Step 2: Convert to fraction form
    181,935.60/272,903.40 = 57,276.60/x
  3. Step 3: Cross multiply
    181,935.60x = 272,903.40 × 57,276.60
  4. Step 4: Simplify right side
    181,935.60x = 15,630,978,880.44
  5. Step 5: Solve for x
    x = 15,630,978,880.44/181,935.60
  6. Step 6: Final answer
    x = 85,914.90

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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.