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Finding the Fourth Proportional to 118,971.88, 178,402.53 and 44,089

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Solution

The fourth proportional to 118,971.88, 178,402.53 and 44,089 is: 66,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,971.88 : 178,402.53 = 44,089 : x
  2. Step 2: Convert to fraction form
    118,971.88/178,402.53 = 44,089/x
  3. Step 3: Cross multiply
    118,971.88x = 178,402.53 × 44,089
  4. Step 4: Simplify right side
    118,971.88x = 7,865,589,145.17
  5. Step 5: Solve for x
    x = 7,865,589,145.17/118,971.88
  6. Step 6: Final answer
    x = 66,113.01

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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.