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Finding the Fourth Proportional to 85,838.92, 118,460.78 and 50,023.12

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Solution

The fourth proportional to 85,838.92, 118,460.78 and 50,023.12 is: 69,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,838.92 : 118,460.78 = 50,023.12 : x
  2. Step 2: Convert to fraction form
    85,838.92/118,460.78 = 50,023.12/x
  3. Step 3: Cross multiply
    85,838.92x = 118,460.78 × 50,023.12
  4. Step 4: Simplify right side
    85,838.92x = 5,925,777,813.23
  5. Step 5: Solve for x
    x = 5,925,777,813.23/85,838.92
  6. Step 6: Final answer
    x = 69,033.69

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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.