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Finding the Fourth Proportional to 116,150.40, 173,966.40 and 89,647.20

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Solution

The fourth proportional to 116,150.40, 173,966.40 and 89,647.20 is: 134,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,150.40 : 173,966.40 = 89,647.20 : x
  2. Step 2: Convert to fraction form
    116,150.40/173,966.40 = 89,647.20/x
  3. Step 3: Cross multiply
    116,150.40x = 173,966.40 × 89,647.20
  4. Step 4: Simplify right side
    116,150.40x = 15,595,600,654.08
  5. Step 5: Solve for x
    x = 15,595,600,654.08/116,150.40
  6. Step 6: Final answer
    x = 134,270.74

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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.