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Finding the Fourth Proportional to 118,885.93, 178,352.19 and 44,006.72

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Solution

The fourth proportional to 118,885.93, 178,352.19 and 44,006.72 is: 66,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,885.93 : 178,352.19 = 44,006.72 : x
  2. Step 2: Convert to fraction form
    118,885.93/178,352.19 = 44,006.72/x
  3. Step 3: Cross multiply
    118,885.93x = 178,352.19 × 44,006.72
  4. Step 4: Simplify right side
    118,885.93x = 7,848,693,994.96
  5. Step 5: Solve for x
    x = 7,848,693,994.96/118,885.93
  6. Step 6: Final answer
    x = 66,018.70

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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.