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Finding the Fourth Proportional to 89,288.86, 133,929.44 and 26,957.50

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Solution

The fourth proportional to 89,288.86, 133,929.44 and 26,957.50 is: 40,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.86 : 133,929.44 = 26,957.50 : x
  2. Step 2: Convert to fraction form
    89,288.86/133,929.44 = 26,957.50/x
  3. Step 3: Cross multiply
    89,288.86x = 133,929.44 × 26,957.50
  4. Step 4: Simplify right side
    89,288.86x = 3,610,402,878.80
  5. Step 5: Solve for x
    x = 3,610,402,878.80/89,288.86
  6. Step 6: Final answer
    x = 40,435.09

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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.