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Finding the Fourth Proportional to 132,740.88, 183,174.12 and 73,124.88

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Solution

The fourth proportional to 132,740.88, 183,174.12 and 73,124.88 is: 100,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,740.88 : 183,174.12 = 73,124.88 : x
  2. Step 2: Convert to fraction form
    132,740.88/183,174.12 = 73,124.88/x
  3. Step 3: Cross multiply
    132,740.88x = 183,174.12 × 73,124.88
  4. Step 4: Simplify right side
    132,740.88x = 13,394,585,544.11
  5. Step 5: Solve for x
    x = 13,394,585,544.11/132,740.88
  6. Step 6: Final answer
    x = 100,907.77

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1.5x scale

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.