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Finding the Fourth Proportional to 116,558.00, 174,605.52 and 89,811.20

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Solution

The fourth proportional to 116,558.00, 174,605.52 and 89,811.20 is: 134,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.00 : 174,605.52 = 89,811.20 : x
  2. Step 2: Convert to fraction form
    116,558.00/174,605.52 = 89,811.20/x
  3. Step 3: Cross multiply
    116,558.00x = 174,605.52 × 89,811.20
  4. Step 4: Simplify right side
    116,558.00x = 15,681,531,068.97
  5. Step 5: Solve for x
    x = 15,681,531,068.97/116,558.00
  6. Step 6: Final answer
    x = 134,538.43

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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.