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Finding the Fourth Proportional to 192,401.55, 288,602.33 and 156,972.15

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Solution

The fourth proportional to 192,401.55, 288,602.33 and 156,972.15 is: 235,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,401.55 : 288,602.33 = 156,972.15 : x
  2. Step 2: Convert to fraction form
    192,401.55/288,602.33 = 156,972.15/x
  3. Step 3: Cross multiply
    192,401.55x = 288,602.33 × 156,972.15
  4. Step 4: Simplify right side
    192,401.55x = 45,302,527,450.25
  5. Step 5: Solve for x
    x = 45,302,527,450.25/192,401.55
  6. Step 6: Final answer
    x = 235,458.23

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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.