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Finding the Fourth Proportional to 82,292.70, 113,579.67 and 48,308.70

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Solution

The fourth proportional to 82,292.70, 113,579.67 and 48,308.70 is: 66,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,292.70 : 113,579.67 = 48,308.70 : x
  2. Step 2: Convert to fraction form
    82,292.70/113,579.67 = 48,308.70/x
  3. Step 3: Cross multiply
    82,292.70x = 113,579.67 × 48,308.70
  4. Step 4: Simplify right side
    82,292.70x = 5,486,886,204.13
  5. Step 5: Solve for x
    x = 5,486,886,204.13/82,292.70
  6. Step 6: Final answer
    x = 66,675.25

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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.