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Finding the Fourth Proportional to 88,703.88, 133,072.02 and 53,601.72

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Solution

The fourth proportional to 88,703.88, 133,072.02 and 53,601.72 is: 80,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,703.88 : 133,072.02 = 53,601.72 : x
  2. Step 2: Convert to fraction form
    88,703.88/133,072.02 = 53,601.72/x
  3. Step 3: Cross multiply
    88,703.88x = 133,072.02 × 53,601.72
  4. Step 4: Simplify right side
    88,703.88x = 7,132,889,155.87
  5. Step 5: Solve for x
    x = 7,132,889,155.87/88,703.88
  6. Step 6: Final answer
    x = 80,412.37

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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.