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Finding the Fourth Proportional to 72,873.88, 100,563.33 and 41,045.74

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Solution

The fourth proportional to 72,873.88, 100,563.33 and 41,045.74 is: 56,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873.88 : 100,563.33 = 41,045.74 : x
  2. Step 2: Convert to fraction form
    72,873.88/100,563.33 = 41,045.74/x
  3. Step 3: Cross multiply
    72,873.88x = 100,563.33 × 41,045.74
  4. Step 4: Simplify right side
    72,873.88x = 4,127,696,296.71
  5. Step 5: Solve for x
    x = 4,127,696,296.71/72,873.88
  6. Step 6: Final answer
    x = 56,641.64

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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.