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Finding the Fourth Proportional to 72,876.68, 100,552.24 and 41,045.58

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Solution

The fourth proportional to 72,876.68, 100,552.24 and 41,045.58 is: 56,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.68 : 100,552.24 = 41,045.58 : x
  2. Step 2: Convert to fraction form
    72,876.68/100,552.24 = 41,045.58/x
  3. Step 3: Cross multiply
    72,876.68x = 100,552.24 × 41,045.58
  4. Step 4: Simplify right side
    72,876.68x = 4,127,225,011.10
  5. Step 5: Solve for x
    x = 4,127,225,011.10/72,876.68
  6. Step 6: Final answer
    x = 56,633.00

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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.