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Finding the Fourth Proportional to 123,776.87, 185,498.96 and 67,532.67

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Solution

The fourth proportional to 123,776.87, 185,498.96 and 67,532.67 is: 101,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,776.87 : 185,498.96 = 67,532.67 : x
  2. Step 2: Convert to fraction form
    123,776.87/185,498.96 = 67,532.67/x
  3. Step 3: Cross multiply
    123,776.87x = 185,498.96 × 67,532.67
  4. Step 4: Simplify right side
    123,776.87x = 12,527,239,713.36
  5. Step 5: Solve for x
    x = 12,527,239,713.36/123,776.87
  6. Step 6: Final answer
    x = 101,208.25

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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.