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Finding the Fourth Proportional to 132,729, 183,166.02 and 73,113

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Solution

The fourth proportional to 132,729, 183,166.02 and 73,113 is: 100,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729 : 183,166.02 = 73,113 : x
  2. Step 2: Convert to fraction form
    132,729/183,166.02 = 73,113/x
  3. Step 3: Cross multiply
    132,729x = 183,166.02 × 73,113
  4. Step 4: Simplify right side
    132,729x = 13,391,817,220.26
  5. Step 5: Solve for x
    x = 13,391,817,220.26/132,729
  6. Step 6: Final answer
    x = 100,895.94

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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.