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Finding the Fourth Proportional to 84,596.40, 116,747.76 and 48,308.56

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Solution

The fourth proportional to 84,596.40, 116,747.76 and 48,308.56 is: 66,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,596.40 : 116,747.76 = 48,308.56 : x
  2. Step 2: Convert to fraction form
    84,596.40/116,747.76 = 48,308.56/x
  3. Step 3: Cross multiply
    84,596.40x = 116,747.76 × 48,308.56
  4. Step 4: Simplify right side
    84,596.40x = 5,639,916,168.83
  5. Step 5: Solve for x
    x = 5,639,916,168.83/84,596.40
  6. Step 6: Final answer
    x = 66,668.51

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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.