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Finding the Fourth Proportional to 192,074.80, 288,112.20 and 97,596.40

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Solution

The fourth proportional to 192,074.80, 288,112.20 and 97,596.40 is: 146,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,074.80 : 288,112.20 = 97,596.40 : x
  2. Step 2: Convert to fraction form
    192,074.80/288,112.20 = 97,596.40/x
  3. Step 3: Cross multiply
    192,074.80x = 288,112.20 × 97,596.40
  4. Step 4: Simplify right side
    192,074.80x = 28,118,713,516.08
  5. Step 5: Solve for x
    x = 28,118,713,516.08/192,074.80
  6. Step 6: Final answer
    x = 146,394.60

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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.