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Finding the Fourth Proportional to 132,482, 182,828.04 and 72,866

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Solution

The fourth proportional to 132,482, 182,828.04 and 72,866 is: 100,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,482 : 182,828.04 = 72,866 : x
  2. Step 2: Convert to fraction form
    132,482/182,828.04 = 72,866/x
  3. Step 3: Cross multiply
    132,482x = 182,828.04 × 72,866
  4. Step 4: Simplify right side
    132,482x = 13,321,947,962.64
  5. Step 5: Solve for x
    x = 13,321,947,962.64/132,482
  6. Step 6: Final answer
    x = 100,556.66

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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.