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Finding the Fourth Proportional to 118,887, 178,353.80 and 44,007.76

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Solution

The fourth proportional to 118,887, 178,353.80 and 44,007.76 is: 66,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887 : 178,353.80 = 44,007.76 : x
  2. Step 2: Convert to fraction form
    118,887/178,353.80 = 44,007.76/x
  3. Step 3: Cross multiply
    118,887x = 178,353.80 × 44,007.76
  4. Step 4: Simplify right side
    118,887x = 7,848,951,225.49
  5. Step 5: Solve for x
    x = 7,848,951,225.49/118,887
  6. Step 6: Final answer
    x = 66,020.26

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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.