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Finding the Fourth Proportional to 85,758.96, 118,347.71 and 48,033.21

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Solution

The fourth proportional to 85,758.96, 118,347.71 and 48,033.21 is: 66,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,758.96 : 118,347.71 = 48,033.21 : x
  2. Step 2: Convert to fraction form
    85,758.96/118,347.71 = 48,033.21/x
  3. Step 3: Cross multiply
    85,758.96x = 118,347.71 × 48,033.21
  4. Step 4: Simplify right side
    85,758.96x = 5,684,620,167.28
  5. Step 5: Solve for x
    x = 5,684,620,167.28/85,758.96
  6. Step 6: Final answer
    x = 66,286.02

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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.