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Finding the Fourth Proportional to 89,303.78, 133,975.92 and 26,125.40

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Solution

The fourth proportional to 89,303.78, 133,975.92 and 26,125.40 is: 39,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.78 : 133,975.92 = 26,125.40 : x
  2. Step 2: Convert to fraction form
    89,303.78/133,975.92 = 26,125.40/x
  3. Step 3: Cross multiply
    89,303.78x = 133,975.92 × 26,125.40
  4. Step 4: Simplify right side
    89,303.78x = 3,500,174,500.37
  5. Step 5: Solve for x
    x = 3,500,174,500.37/89,303.78
  6. Step 6: Final answer
    x = 39,194.02

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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.