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Finding the Fourth Proportional to 85,868, 118,497.84 and 50,059.52

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Solution

The fourth proportional to 85,868, 118,497.84 and 50,059.52 is: 69,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,868 : 118,497.84 = 50,059.52 : x
  2. Step 2: Convert to fraction form
    85,868/118,497.84 = 50,059.52/x
  3. Step 3: Cross multiply
    85,868x = 118,497.84 × 50,059.52
  4. Step 4: Simplify right side
    85,868x = 5,931,944,991.44
  5. Step 5: Solve for x
    x = 5,931,944,991.44/85,868
  6. Step 6: Final answer
    x = 69,082.14

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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.