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Finding the Fourth Proportional to 132,793.44, 183,253.28 and 72,366.72

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Solution

The fourth proportional to 132,793.44, 183,253.28 and 72,366.72 is: 99,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,793.44 : 183,253.28 = 72,366.72 : x
  2. Step 2: Convert to fraction form
    132,793.44/183,253.28 = 72,366.72/x
  3. Step 3: Cross multiply
    132,793.44x = 183,253.28 × 72,366.72
  4. Step 4: Simplify right side
    132,793.44x = 13,261,438,802.84
  5. Step 5: Solve for x
    x = 13,261,438,802.84/132,793.44
  6. Step 6: Final answer
    x = 99,865.17

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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.