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Finding the Fourth Proportional to 85,082.88, 127,624.30 and 22,751.76

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Solution

The fourth proportional to 85,082.88, 127,624.30 and 22,751.76 is: 34,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,082.88 : 127,624.30 = 22,751.76 : x
  2. Step 2: Convert to fraction form
    85,082.88/127,624.30 = 22,751.76/x
  3. Step 3: Cross multiply
    85,082.88x = 127,624.30 × 22,751.76
  4. Step 4: Simplify right side
    85,082.88x = 2,903,677,443.77
  5. Step 5: Solve for x
    x = 2,903,677,443.77/85,082.88
  6. Step 6: Final answer
    x = 34,127.63

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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.