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Finding the Fourth Proportional to 132,874.58, 183,367.75 and 72,446.23

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Solution

The fourth proportional to 132,874.58, 183,367.75 and 72,446.23 is: 99,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,874.58 : 183,367.75 = 72,446.23 : x
  2. Step 2: Convert to fraction form
    132,874.58/183,367.75 = 72,446.23/x
  3. Step 3: Cross multiply
    132,874.58x = 183,367.75 × 72,446.23
  4. Step 4: Simplify right side
    132,874.58x = 13,284,302,191.08
  5. Step 5: Solve for x
    x = 13,284,302,191.08/132,874.58
  6. Step 6: Final answer
    x = 99,976.25

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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.