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Finding the Fourth Proportional to 94,661.60, 142,107.60 and 47,890.40

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Solution

The fourth proportional to 94,661.60, 142,107.60 and 47,890.40 is: 71,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,661.60 : 142,107.60 = 47,890.40 : x
  2. Step 2: Convert to fraction form
    94,661.60/142,107.60 = 47,890.40/x
  3. Step 3: Cross multiply
    94,661.60x = 142,107.60 × 47,890.40
  4. Step 4: Simplify right side
    94,661.60x = 6,805,589,807.04
  5. Step 5: Solve for x
    x = 6,805,589,807.04/94,661.60
  6. Step 6: Final answer
    x = 71,893.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.