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Finding the Fourth Proportional to 106,657.76, 159,957.48 and 40,092.77

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Solution

The fourth proportional to 106,657.76, 159,957.48 and 40,092.77 is: 60,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,657.76 : 159,957.48 = 40,092.77 : x
  2. Step 2: Convert to fraction form
    106,657.76/159,957.48 = 40,092.77/x
  3. Step 3: Cross multiply
    106,657.76x = 159,957.48 × 40,092.77
  4. Step 4: Simplify right side
    106,657.76x = 6,413,139,005.66
  5. Step 5: Solve for x
    x = 6,413,139,005.66/106,657.76
  6. Step 6: Final answer
    x = 60,128.20

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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.