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Finding the Fourth Proportional to 181,932.60, 272,898.90 and 103,200.60

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Solution

The fourth proportional to 181,932.60, 272,898.90 and 103,200.60 is: 154,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,932.60 : 272,898.90 = 103,200.60 : x
  2. Step 2: Convert to fraction form
    181,932.60/272,898.90 = 103,200.60/x
  3. Step 3: Cross multiply
    181,932.60x = 272,898.90 × 103,200.60
  4. Step 4: Simplify right side
    181,932.60x = 28,163,330,219.34
  5. Step 5: Solve for x
    x = 28,163,330,219.34/181,932.60
  6. Step 6: Final answer
    x = 154,800.90

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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.