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Finding the Fourth Proportional to 132,652.65, 183,059.56 and 72,223.18

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Solution

The fourth proportional to 132,652.65, 183,059.56 and 72,223.18 is: 99,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,652.65 : 183,059.56 = 72,223.18 : x
  2. Step 2: Convert to fraction form
    132,652.65/183,059.56 = 72,223.18/x
  3. Step 3: Cross multiply
    132,652.65x = 183,059.56 × 72,223.18
  4. Step 4: Simplify right side
    132,652.65x = 13,221,143,185.23
  5. Step 5: Solve for x
    x = 13,221,143,185.23/132,652.65
  6. Step 6: Final answer
    x = 99,667.39

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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.