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Finding the Fourth Proportional to 160,665.54, 241,064.42 and 70,661.94

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Solution

The fourth proportional to 160,665.54, 241,064.42 and 70,661.94 is: 106,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665.54 : 241,064.42 = 70,661.94 : x
  2. Step 2: Convert to fraction form
    160,665.54/241,064.42 = 70,661.94/x
  3. Step 3: Cross multiply
    160,665.54x = 241,064.42 × 70,661.94
  4. Step 4: Simplify right side
    160,665.54x = 17,034,079,228.87
  5. Step 5: Solve for x
    x = 17,034,079,228.87/160,665.54
  6. Step 6: Final answer
    x = 106,021.98

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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.