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Finding the Fourth Proportional to 252,024.24, 377,992.62 and 85,812.24

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Solution

The fourth proportional to 252,024.24, 377,992.62 and 85,812.24 is: 128,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,024.24 : 377,992.62 = 85,812.24 : x
  2. Step 2: Convert to fraction form
    252,024.24/377,992.62 = 85,812.24/x
  3. Step 3: Cross multiply
    252,024.24x = 377,992.62 × 85,812.24
  4. Step 4: Simplify right side
    252,024.24x = 32,436,393,425.67
  5. Step 5: Solve for x
    x = 32,436,393,425.67/252,024.24
  6. Step 6: Final answer
    x = 128,703.47

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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.