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Finding the Fourth Proportional to 132,957.31, 183,548.81 and 102,674.65

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Solution

The fourth proportional to 132,957.31, 183,548.81 and 102,674.65 is: 141,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957.31 : 183,548.81 = 102,674.65 : x
  2. Step 2: Convert to fraction form
    132,957.31/183,548.81 = 102,674.65/x
  3. Step 3: Cross multiply
    132,957.31x = 183,548.81 × 102,674.65
  4. Step 4: Simplify right side
    132,957.31x = 18,845,809,824.67
  5. Step 5: Solve for x
    x = 18,845,809,824.67/132,957.31
  6. Step 6: Final answer
    x = 141,743.31

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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.