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Finding the Fourth Proportional to 160,480.76, 240,771.52 and 96,512.52

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Solution

The fourth proportional to 160,480.76, 240,771.52 and 96,512.52 is: 144,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,480.76 : 240,771.52 = 96,512.52 : x
  2. Step 2: Convert to fraction form
    160,480.76/240,771.52 = 96,512.52/x
  3. Step 3: Cross multiply
    160,480.76x = 240,771.52 × 96,512.52
  4. Step 4: Simplify right side
    160,480.76x = 23,237,466,139.43
  5. Step 5: Solve for x
    x = 23,237,466,139.43/160,480.76
  6. Step 6: Final answer
    x = 144,799.08

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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.