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Finding the Fourth Proportional to 192,378.40, 288,599.22 and 59,258.68

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Solution

The fourth proportional to 192,378.40, 288,599.22 and 59,258.68 is: 88,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,378.40 : 288,599.22 = 59,258.68 : x
  2. Step 2: Convert to fraction form
    192,378.40/288,599.22 = 59,258.68/x
  3. Step 3: Cross multiply
    192,378.40x = 288,599.22 × 59,258.68
  4. Step 4: Simplify right side
    192,378.40x = 17,102,008,826.23
  5. Step 5: Solve for x
    x = 17,102,008,826.23/192,378.40
  6. Step 6: Final answer
    x = 88,897.76

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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.