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Finding the Fourth Proportional to 107,957.93, 149,051.27 and 67,726.85

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Solution

The fourth proportional to 107,957.93, 149,051.27 and 67,726.85 is: 93,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.93 : 149,051.27 = 67,726.85 : x
  2. Step 2: Convert to fraction form
    107,957.93/149,051.27 = 67,726.85/x
  3. Step 3: Cross multiply
    107,957.93x = 149,051.27 × 67,726.85
  4. Step 4: Simplify right side
    107,957.93x = 10,094,772,429.66
  5. Step 5: Solve for x
    x = 10,094,772,429.66/107,957.93
  6. Step 6: Final answer
    x = 93,506.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.