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Finding the Fourth Proportional to 180,394.71, 270,548.33 and 75,156.27

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Solution

The fourth proportional to 180,394.71, 270,548.33 and 75,156.27 is: 112,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,394.71 : 270,548.33 = 75,156.27 : x
  2. Step 2: Convert to fraction form
    180,394.71/270,548.33 = 75,156.27/x
  3. Step 3: Cross multiply
    180,394.71x = 270,548.33 × 75,156.27
  4. Step 4: Simplify right side
    180,394.71x = 20,333,402,961.75
  5. Step 5: Solve for x
    x = 20,333,402,961.75/180,394.71
  6. Step 6: Final answer
    x = 112,716.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.