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Finding the Fourth Proportional to 132,606.72, 183,006 and 76,019.04

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Solution

The fourth proportional to 132,606.72, 183,006 and 76,019.04 is: 104,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,606.72 : 183,006 = 76,019.04 : x
  2. Step 2: Convert to fraction form
    132,606.72/183,006 = 76,019.04/x
  3. Step 3: Cross multiply
    132,606.72x = 183,006 × 76,019.04
  4. Step 4: Simplify right side
    132,606.72x = 13,911,940,434.24
  5. Step 5: Solve for x
    x = 13,911,940,434.24/132,606.72
  6. Step 6: Final answer
    x = 104,911.28

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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.