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Finding the Fourth Proportional to 132,665.34, 183,068.91 and 75,305.82

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Solution

The fourth proportional to 132,665.34, 183,068.91 and 75,305.82 is: 103,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,665.34 : 183,068.91 = 75,305.82 : x
  2. Step 2: Convert to fraction form
    132,665.34/183,068.91 = 75,305.82/x
  3. Step 3: Cross multiply
    132,665.34x = 183,068.91 × 75,305.82
  4. Step 4: Simplify right side
    132,665.34x = 13,786,154,384.06
  5. Step 5: Solve for x
    x = 13,786,154,384.06/132,665.34
  6. Step 6: Final answer
    x = 103,916.78

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