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Finding the Fourth Proportional to 181,537.40, 250,530.87 and 100,966.50

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Solution

The fourth proportional to 181,537.40, 250,530.87 and 100,966.50 is: 139,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,537.40 : 250,530.87 = 100,966.50 : x
  2. Step 2: Convert to fraction form
    181,537.40/250,530.87 = 100,966.50/x
  3. Step 3: Cross multiply
    181,537.40x = 250,530.87 × 100,966.50
  4. Step 4: Simplify right side
    181,537.40x = 25,295,225,464.48
  5. Step 5: Solve for x
    x = 25,295,225,464.48/181,537.40
  6. Step 6: Final answer
    x = 139,338.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.