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Finding the Fourth Proportional to 154,960.77, 232,440.77 and 87,462.21

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Solution

The fourth proportional to 154,960.77, 232,440.77 and 87,462.21 is: 131,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,960.77 : 232,440.77 = 87,462.21 : x
  2. Step 2: Convert to fraction form
    154,960.77/232,440.77 = 87,462.21/x
  3. Step 3: Cross multiply
    154,960.77x = 232,440.77 × 87,462.21
  4. Step 4: Simplify right side
    154,960.77x = 20,329,783,000.99
  5. Step 5: Solve for x
    x = 20,329,783,000.99/154,960.77
  6. Step 6: Final answer
    x = 131,193.09

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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.