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Finding the Fourth Proportional to 132,624, 183,021.12 and 73,008

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Solution

The fourth proportional to 132,624, 183,021.12 and 73,008 is: 100,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624 : 183,021.12 = 73,008 : x
  2. Step 2: Convert to fraction form
    132,624/183,021.12 = 73,008/x
  3. Step 3: Cross multiply
    132,624x = 183,021.12 × 73,008
  4. Step 4: Simplify right side
    132,624x = 13,362,005,928.96
  5. Step 5: Solve for x
    x = 13,362,005,928.96/132,624
  6. Step 6: Final answer
    x = 100,751.04

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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.