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Finding the Fourth Proportional to 161,257.56, 241,886.90 and 48,938.68

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Solution

The fourth proportional to 161,257.56, 241,886.90 and 48,938.68 is: 73,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,257.56 : 241,886.90 = 48,938.68 : x
  2. Step 2: Convert to fraction form
    161,257.56/241,886.90 = 48,938.68/x
  3. Step 3: Cross multiply
    161,257.56x = 241,886.90 × 48,938.68
  4. Step 4: Simplify right side
    161,257.56x = 11,837,625,595.29
  5. Step 5: Solve for x
    x = 11,837,625,595.29/161,257.56
  6. Step 6: Final answer
    x = 73,408.19

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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.