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Finding the Fourth Proportional to 192,420.90, 288,662.94 and 59,301.18

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Solution

The fourth proportional to 192,420.90, 288,662.94 and 59,301.18 is: 88,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.90 : 288,662.94 = 59,301.18 : x
  2. Step 2: Convert to fraction form
    192,420.90/288,662.94 = 59,301.18/x
  3. Step 3: Cross multiply
    192,420.90x = 288,662.94 × 59,301.18
  4. Step 4: Simplify right side
    192,420.90x = 17,118,052,964.27
  5. Step 5: Solve for x
    x = 17,118,052,964.27/192,420.90
  6. Step 6: Final answer
    x = 88,961.51

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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.