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Finding the Fourth Proportional to 89,802.58, 134,950.50 and 83,951.68

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Solution

The fourth proportional to 89,802.58, 134,950.50 and 83,951.68 is: 126,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.58 : 134,950.50 = 83,951.68 : x
  2. Step 2: Convert to fraction form
    89,802.58/134,950.50 = 83,951.68/x
  3. Step 3: Cross multiply
    89,802.58x = 134,950.50 × 83,951.68
  4. Step 4: Simplify right side
    89,802.58x = 11,329,321,191.84
  5. Step 5: Solve for x
    x = 11,329,321,191.84/89,802.58
  6. Step 6: Final answer
    x = 126,158.08

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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.