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Finding the Fourth Proportional to 132,129.61, 198,201.09 and 37,366.61

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Solution

The fourth proportional to 132,129.61, 198,201.09 and 37,366.61 is: 56,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129.61 : 198,201.09 = 37,366.61 : x
  2. Step 2: Convert to fraction form
    132,129.61/198,201.09 = 37,366.61/x
  3. Step 3: Cross multiply
    132,129.61x = 198,201.09 × 37,366.61
  4. Step 4: Simplify right side
    132,129.61x = 7,406,102,831.60
  5. Step 5: Solve for x
    x = 7,406,102,831.60/132,129.61
  6. Step 6: Final answer
    x = 56,051.80

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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.