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Finding the Fourth Proportional to 132,870.75, 183,361.64 and 73,254.75

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Solution

The fourth proportional to 132,870.75, 183,361.64 and 73,254.75 is: 101,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.75 : 183,361.64 = 73,254.75 : x
  2. Step 2: Convert to fraction form
    132,870.75/183,361.64 = 73,254.75/x
  3. Step 3: Cross multiply
    132,870.75x = 183,361.64 × 73,254.75
  4. Step 4: Simplify right side
    132,870.75x = 13,432,110,731.52
  5. Step 5: Solve for x
    x = 13,432,110,731.52/132,870.75
  6. Step 6: Final answer
    x = 101,091.56

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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.