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Finding the Fourth Proportional to 151,676.70, 209,355.48 and 88,035

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Solution

The fourth proportional to 151,676.70, 209,355.48 and 88,035 is: 121,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,676.70 : 209,355.48 = 88,035 : x
  2. Step 2: Convert to fraction form
    151,676.70/209,355.48 = 88,035/x
  3. Step 3: Cross multiply
    151,676.70x = 209,355.48 × 88,035
  4. Step 4: Simplify right side
    151,676.70x = 18,430,609,681.80
  5. Step 5: Solve for x
    x = 18,430,609,681.80/151,676.70
  6. Step 6: Final answer
    x = 121,512.46

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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.