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Finding the Fourth Proportional to 88,960.50, 122,765.58 and 51,234.84

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Solution

The fourth proportional to 88,960.50, 122,765.58 and 51,234.84 is: 70,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,960.50 : 122,765.58 = 51,234.84 : x
  2. Step 2: Convert to fraction form
    88,960.50/122,765.58 = 51,234.84/x
  3. Step 3: Cross multiply
    88,960.50x = 122,765.58 × 51,234.84
  4. Step 4: Simplify right side
    88,960.50x = 6,289,874,848.81
  5. Step 5: Solve for x
    x = 6,289,874,848.81/88,960.50
  6. Step 6: Final answer
    x = 70,704.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.