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Finding the Fourth Proportional to 182,358.72, 273,503.28 and 77,251.56

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Solution

The fourth proportional to 182,358.72, 273,503.28 and 77,251.56 is: 115,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,358.72 : 273,503.28 = 77,251.56 : x
  2. Step 2: Convert to fraction form
    182,358.72/273,503.28 = 77,251.56/x
  3. Step 3: Cross multiply
    182,358.72x = 273,503.28 × 77,251.56
  4. Step 4: Simplify right side
    182,358.72x = 21,128,555,045.12
  5. Step 5: Solve for x
    x = 21,128,555,045.12/182,358.72
  6. Step 6: Final answer
    x = 115,862.60

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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.