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Finding the Fourth Proportional to 84,164.87, 116,158.63 and 53,540.95

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Solution

The fourth proportional to 84,164.87, 116,158.63 and 53,540.95 is: 73,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,164.87 : 116,158.63 = 53,540.95 : x
  2. Step 2: Convert to fraction form
    84,164.87/116,158.63 = 53,540.95/x
  3. Step 3: Cross multiply
    84,164.87x = 116,158.63 × 53,540.95
  4. Step 4: Simplify right side
    84,164.87x = 6,219,243,445.42
  5. Step 5: Solve for x
    x = 6,219,243,445.42/84,164.87
  6. Step 6: Final answer
    x = 73,893.58

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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.