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Finding the Fourth Proportional to 160,456.88, 240,918.60 and 118,466.48

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Solution

The fourth proportional to 160,456.88, 240,918.60 and 118,466.48 is: 177,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,456.88 : 240,918.60 = 118,466.48 : x
  2. Step 2: Convert to fraction form
    160,456.88/240,918.60 = 118,466.48/x
  3. Step 3: Cross multiply
    160,456.88x = 240,918.60 × 118,466.48
  4. Step 4: Simplify right side
    160,456.88x = 28,540,778,508.53
  5. Step 5: Solve for x
    x = 28,540,778,508.53/160,456.88
  6. Step 6: Final answer
    x = 177,871.95

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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.