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Finding the Fourth Proportional to 160,779.74, 241,134.41 and 65,916.58

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Solution

The fourth proportional to 160,779.74, 241,134.41 and 65,916.58 is: 98,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,779.74 : 241,134.41 = 65,916.58 : x
  2. Step 2: Convert to fraction form
    160,779.74/241,134.41 = 65,916.58/x
  3. Step 3: Cross multiply
    160,779.74x = 241,134.41 × 65,916.58
  4. Step 4: Simplify right side
    160,779.74x = 15,894,755,189.47
  5. Step 5: Solve for x
    x = 15,894,755,189.47/160,779.74
  6. Step 6: Final answer
    x = 98,860.43

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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.