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Finding the Fourth Proportional to 132,508.29, 198,763.60 and 37,738.39

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Solution

The fourth proportional to 132,508.29, 198,763.60 and 37,738.39 is: 56,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,508.29 : 198,763.60 = 37,738.39 : x
  2. Step 2: Convert to fraction form
    132,508.29/198,763.60 = 37,738.39/x
  3. Step 3: Cross multiply
    132,508.29x = 198,763.60 × 37,738.39
  4. Step 4: Simplify right side
    132,508.29x = 7,501,018,254.60
  5. Step 5: Solve for x
    x = 7,501,018,254.60/132,508.29
  6. Step 6: Final answer
    x = 56,607.92

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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.