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Finding the Fourth Proportional to 72,953.95, 100,673.53 and 41,129.46

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Solution

The fourth proportional to 72,953.95, 100,673.53 and 41,129.46 is: 56,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,953.95 : 100,673.53 = 41,129.46 : x
  2. Step 2: Convert to fraction form
    72,953.95/100,673.53 = 41,129.46/x
  3. Step 3: Cross multiply
    72,953.95x = 100,673.53 × 41,129.46
  4. Step 4: Simplify right side
    72,953.95x = 4,140,647,925.19
  5. Step 5: Solve for x
    x = 4,140,647,925.19/72,953.95
  6. Step 6: Final answer
    x = 56,757.01

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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.