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Finding the Fourth Proportional to 175,122.48, 241,671.96 and 99,678

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Solution

The fourth proportional to 175,122.48, 241,671.96 and 99,678 is: 137,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,122.48 : 241,671.96 = 99,678 : x
  2. Step 2: Convert to fraction form
    175,122.48/241,671.96 = 99,678/x
  3. Step 3: Cross multiply
    175,122.48x = 241,671.96 × 99,678
  4. Step 4: Simplify right side
    175,122.48x = 24,089,377,628.88
  5. Step 5: Solve for x
    x = 24,089,377,628.88/175,122.48
  6. Step 6: Final answer
    x = 137,557.31

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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.