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Finding the Fourth Proportional to 183,717, 253,548.90 and 116,649

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Solution

The fourth proportional to 183,717, 253,548.90 and 116,649 is: 160,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,717 : 253,548.90 = 116,649 : x
  2. Step 2: Convert to fraction form
    183,717/253,548.90 = 116,649/x
  3. Step 3: Cross multiply
    183,717x = 253,548.90 × 116,649
  4. Step 4: Simplify right side
    183,717x = 29,576,225,636.10
  5. Step 5: Solve for x
    x = 29,576,225,636.10/183,717
  6. Step 6: Final answer
    x = 160,987.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.