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Finding the Fourth Proportional to 192,455.40, 288,689.70 and 59,334.60

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Solution

The fourth proportional to 192,455.40, 288,689.70 and 59,334.60 is: 89,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,455.40 : 288,689.70 = 59,334.60 : x
  2. Step 2: Convert to fraction form
    192,455.40/288,689.70 = 59,334.60/x
  3. Step 3: Cross multiply
    192,455.40x = 288,689.70 × 59,334.60
  4. Step 4: Simplify right side
    192,455.40x = 17,129,287,873.62
  5. Step 5: Solve for x
    x = 17,129,287,873.62/192,455.40
  6. Step 6: Final answer
    x = 89,003.93

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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.