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Finding the Fourth Proportional to 85,216.28, 127,824.72 and 26,051.72

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Solution

The fourth proportional to 85,216.28, 127,824.72 and 26,051.72 is: 39,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.28 : 127,824.72 = 26,051.72 : x
  2. Step 2: Convert to fraction form
    85,216.28/127,824.72 = 26,051.72/x
  3. Step 3: Cross multiply
    85,216.28x = 127,824.72 × 26,051.72
  4. Step 4: Simplify right side
    85,216.28x = 3,330,053,814.52
  5. Step 5: Solve for x
    x = 3,330,053,814.52/85,216.28
  6. Step 6: Final answer
    x = 39,077.67

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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.