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Finding the Fourth Proportional to 97,650.63, 134,660.84 and 73,509.39

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Solution

The fourth proportional to 97,650.63, 134,660.84 and 73,509.39 is: 101,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,650.63 : 134,660.84 = 73,509.39 : x
  2. Step 2: Convert to fraction form
    97,650.63/134,660.84 = 73,509.39/x
  3. Step 3: Cross multiply
    97,650.63x = 134,660.84 × 73,509.39
  4. Step 4: Simplify right side
    97,650.63x = 9,898,835,837.74
  5. Step 5: Solve for x
    x = 9,898,835,837.74/97,650.63
  6. Step 6: Final answer
    x = 101,369.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.