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Finding the Fourth Proportional to 89,487.76, 134,228.61 and 22,928.54

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Solution

The fourth proportional to 89,487.76, 134,228.61 and 22,928.54 is: 34,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,487.76 : 134,228.61 = 22,928.54 : x
  2. Step 2: Convert to fraction form
    89,487.76/134,228.61 = 22,928.54/x
  3. Step 3: Cross multiply
    89,487.76x = 134,228.61 × 22,928.54
  4. Step 4: Simplify right side
    89,487.76x = 3,077,666,053.53
  5. Step 5: Solve for x
    x = 3,077,666,053.53/89,487.76
  6. Step 6: Final answer
    x = 34,392.03

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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.