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Finding the Fourth Proportional to 116,231.10, 174,018.60 and 112,950.60

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Solution

The fourth proportional to 116,231.10, 174,018.60 and 112,950.60 is: 169,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,231.10 : 174,018.60 = 112,950.60 : x
  2. Step 2: Convert to fraction form
    116,231.10/174,018.60 = 112,950.60/x
  3. Step 3: Cross multiply
    116,231.10x = 174,018.60 × 112,950.60
  4. Step 4: Simplify right side
    116,231.10x = 19,655,505,281.16
  5. Step 5: Solve for x
    x = 19,655,505,281.16/116,231.10
  6. Step 6: Final answer
    x = 169,107.11

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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.