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Finding the Fourth Proportional to 84,365.60, 116,453.85 and 48,569.88

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Solution

The fourth proportional to 84,365.60, 116,453.85 and 48,569.88 is: 67,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365.60 : 116,453.85 = 48,569.88 : x
  2. Step 2: Convert to fraction form
    84,365.60/116,453.85 = 48,569.88/x
  3. Step 3: Cross multiply
    84,365.60x = 116,453.85 × 48,569.88
  4. Step 4: Simplify right side
    84,365.60x = 5,656,149,119.55
  5. Step 5: Solve for x
    x = 5,656,149,119.55/84,365.60
  6. Step 6: Final answer
    x = 67,043.31

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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.