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Finding the Fourth Proportional to 74,602.13, 102,955.61 and 41,068.13

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Solution

The fourth proportional to 74,602.13, 102,955.61 and 41,068.13 is: 56,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.13 : 102,955.61 = 41,068.13 : x
  2. Step 2: Convert to fraction form
    74,602.13/102,955.61 = 41,068.13/x
  3. Step 3: Cross multiply
    74,602.13x = 102,955.61 × 41,068.13
  4. Step 4: Simplify right side
    74,602.13x = 4,228,194,375.71
  5. Step 5: Solve for x
    x = 4,228,194,375.71/74,602.13
  6. Step 6: Final answer
    x = 56,676.59

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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.