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Finding the Fourth Proportional to 84,171.40, 116,156.40 and 46,445.62

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Solution

The fourth proportional to 84,171.40, 116,156.40 and 46,445.62 is: 64,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.40 : 116,156.40 = 46,445.62 : x
  2. Step 2: Convert to fraction form
    84,171.40/116,156.40 = 46,445.62/x
  3. Step 3: Cross multiply
    84,171.40x = 116,156.40 × 46,445.62
  4. Step 4: Simplify right side
    84,171.40x = 5,394,956,014.97
  5. Step 5: Solve for x
    x = 5,394,956,014.97/84,171.40
  6. Step 6: Final answer
    x = 64,094.88

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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.