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Finding the Fourth Proportional to 84,367.76, 116,423.82 and 48,558.92

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Solution

The fourth proportional to 84,367.76, 116,423.82 and 48,558.92 is: 67,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367.76 : 116,423.82 = 48,558.92 : x
  2. Step 2: Convert to fraction form
    84,367.76/116,423.82 = 48,558.92/x
  3. Step 3: Cross multiply
    84,367.76x = 116,423.82 × 48,558.92
  4. Step 4: Simplify right side
    84,367.76x = 5,653,414,961.47
  5. Step 5: Solve for x
    x = 5,653,414,961.47/84,367.76
  6. Step 6: Final answer
    x = 67,009.19

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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.