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Finding the Fourth Proportional to 117,601.60, 176,229.60 and 47,358.40

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Solution

The fourth proportional to 117,601.60, 176,229.60 and 47,358.40 is: 70,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.60 : 176,229.60 = 47,358.40 : x
  2. Step 2: Convert to fraction form
    117,601.60/176,229.60 = 47,358.40/x
  3. Step 3: Cross multiply
    117,601.60x = 176,229.60 × 47,358.40
  4. Step 4: Simplify right side
    117,601.60x = 8,345,951,888.64
  5. Step 5: Solve for x
    x = 8,345,951,888.64/117,601.60
  6. Step 6: Final answer
    x = 70,968.01

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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.