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Finding the Fourth Proportional to 74,594, 102,939.72 and 41,060

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Solution

The fourth proportional to 74,594, 102,939.72 and 41,060 is: 56,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594 : 102,939.72 = 41,060 : x
  2. Step 2: Convert to fraction form
    74,594/102,939.72 = 41,060/x
  3. Step 3: Cross multiply
    74,594x = 102,939.72 × 41,060
  4. Step 4: Simplify right side
    74,594x = 4,226,704,903.20
  5. Step 5: Solve for x
    x = 4,226,704,903.20/74,594
  6. Step 6: Final answer
    x = 56,662.80

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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.