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Finding the Fourth Proportional to 117,848.40, 176,772.60 and 80,523.60

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Solution

The fourth proportional to 117,848.40, 176,772.60 and 80,523.60 is: 120,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,848.40 : 176,772.60 = 80,523.60 : x
  2. Step 2: Convert to fraction form
    117,848.40/176,772.60 = 80,523.60/x
  3. Step 3: Cross multiply
    117,848.40x = 176,772.60 × 80,523.60
  4. Step 4: Simplify right side
    117,848.40x = 14,234,366,133.36
  5. Step 5: Solve for x
    x = 14,234,366,133.36/117,848.40
  6. Step 6: Final answer
    x = 120,785.40

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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.