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Finding the Fourth Proportional to 73,124.52, 100,911.06 and 41,291.56

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Solution

The fourth proportional to 73,124.52, 100,911.06 and 41,291.56 is: 56,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.52 : 100,911.06 = 41,291.56 : x
  2. Step 2: Convert to fraction form
    73,124.52/100,911.06 = 41,291.56/x
  3. Step 3: Cross multiply
    73,124.52x = 100,911.06 × 41,291.56
  4. Step 4: Simplify right side
    73,124.52x = 4,166,775,088.65
  5. Step 5: Solve for x
    x = 4,166,775,088.65/73,124.52
  6. Step 6: Final answer
    x = 56,981.91

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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.