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Finding the Fourth Proportional to 160,633.74, 240,981.02 and 64,578.39

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Solution

The fourth proportional to 160,633.74, 240,981.02 and 64,578.39 is: 96,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.74 : 240,981.02 = 64,578.39 : x
  2. Step 2: Convert to fraction form
    160,633.74/240,981.02 = 64,578.39/x
  3. Step 3: Cross multiply
    160,633.74x = 240,981.02 × 64,578.39
  4. Step 4: Simplify right side
    160,633.74x = 15,562,166,292.16
  5. Step 5: Solve for x
    x = 15,562,166,292.16/160,633.74
  6. Step 6: Final answer
    x = 96,879.81

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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.