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Finding the Fourth Proportional to 132,796, 183,256.08 and 72,367.16

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Solution

The fourth proportional to 132,796, 183,256.08 and 72,367.16 is: 99,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,796 : 183,256.08 = 72,367.16 : x
  2. Step 2: Convert to fraction form
    132,796/183,256.08 = 72,367.16/x
  3. Step 3: Cross multiply
    132,796x = 183,256.08 × 72,367.16
  4. Step 4: Simplify right side
    132,796x = 13,261,722,062.33
  5. Step 5: Solve for x
    x = 13,261,722,062.33/132,796
  6. Step 6: Final answer
    x = 99,865.37

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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.