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Finding the Fourth Proportional to 132,670.92, 183,026.64 and 89,636.52

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Solution

The fourth proportional to 132,670.92, 183,026.64 and 89,636.52 is: 123,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,670.92 : 183,026.64 = 89,636.52 : x
  2. Step 2: Convert to fraction form
    132,670.92/183,026.64 = 89,636.52/x
  3. Step 3: Cross multiply
    132,670.92x = 183,026.64 × 89,636.52
  4. Step 4: Simplify right side
    132,670.92x = 16,405,871,076.89
  5. Step 5: Solve for x
    x = 16,405,871,076.89/132,670.92
  6. Step 6: Final answer
    x = 123,658.38

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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.