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Finding the Fourth Proportional to 175,099.55, 241,638.35 and 99,648.05

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Solution

The fourth proportional to 175,099.55, 241,638.35 and 99,648.05 is: 137,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,099.55 : 241,638.35 = 99,648.05 : x
  2. Step 2: Convert to fraction form
    175,099.55/241,638.35 = 99,648.05/x
  3. Step 3: Cross multiply
    175,099.55x = 241,638.35 × 99,648.05
  4. Step 4: Simplify right side
    175,099.55x = 24,078,788,676.29
  5. Step 5: Solve for x
    x = 24,078,788,676.29/175,099.55
  6. Step 6: Final answer
    x = 137,514.86

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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.