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Finding the Fourth Proportional to 85,892.94, 118,532.30 and 52,358.94

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Solution

The fourth proportional to 85,892.94, 118,532.30 and 52,358.94 is: 72,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,892.94 : 118,532.30 = 52,358.94 : x
  2. Step 2: Convert to fraction form
    85,892.94/118,532.30 = 52,358.94/x
  3. Step 3: Cross multiply
    85,892.94x = 118,532.30 × 52,358.94
  4. Step 4: Simplify right side
    85,892.94x = 6,206,225,321.97
  5. Step 5: Solve for x
    x = 6,206,225,321.97/85,892.94
  6. Step 6: Final answer
    x = 72,255.36

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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.