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Finding the Fourth Proportional to 132,409.35, 182,721.06 and 75,053.96

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Solution

The fourth proportional to 132,409.35, 182,721.06 and 75,053.96 is: 103,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,409.35 : 182,721.06 = 75,053.96 : x
  2. Step 2: Convert to fraction form
    132,409.35/182,721.06 = 75,053.96/x
  3. Step 3: Cross multiply
    132,409.35x = 182,721.06 × 75,053.96
  4. Step 4: Simplify right side
    132,409.35x = 13,713,939,128.40
  5. Step 5: Solve for x
    x = 13,713,939,128.40/132,409.35
  6. Step 6: Final answer
    x = 103,572.29

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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.