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Finding the Fourth Proportional to 160,978.89, 241,390.58 and 94,440.63

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Solution

The fourth proportional to 160,978.89, 241,390.58 and 94,440.63 is: 141,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,978.89 : 241,390.58 = 94,440.63 : x
  2. Step 2: Convert to fraction form
    160,978.89/241,390.58 = 94,440.63/x
  3. Step 3: Cross multiply
    160,978.89x = 241,390.58 × 94,440.63
  4. Step 4: Simplify right side
    160,978.89x = 22,797,079,415.51
  5. Step 5: Solve for x
    x = 22,797,079,415.51/160,978.89
  6. Step 6: Final answer
    x = 141,615.33

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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.