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Finding the Fourth Proportional to 192,279.36, 288,419.72 and 59,158.68

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Solution

The fourth proportional to 192,279.36, 288,419.72 and 59,158.68 is: 88,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,279.36 : 288,419.72 = 59,158.68 : x
  2. Step 2: Convert to fraction form
    192,279.36/288,419.72 = 59,158.68/x
  3. Step 3: Cross multiply
    192,279.36x = 288,419.72 × 59,158.68
  4. Step 4: Simplify right side
    192,279.36x = 17,062,529,921.17
  5. Step 5: Solve for x
    x = 17,062,529,921.17/192,279.36
  6. Step 6: Final answer
    x = 88,738.23

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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.