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Finding the Fourth Proportional to 74,575.13, 102,913.88 and 41,041.13

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Solution

The fourth proportional to 74,575.13, 102,913.88 and 41,041.13 is: 56,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.13 : 102,913.88 = 41,041.13 : x
  2. Step 2: Convert to fraction form
    74,575.13/102,913.88 = 41,041.13/x
  3. Step 3: Cross multiply
    74,575.13x = 102,913.88 × 41,041.13
  4. Step 4: Simplify right side
    74,575.13x = 4,223,701,208.11
  5. Step 5: Solve for x
    x = 4,223,701,208.11/74,575.13
  6. Step 6: Final answer
    x = 56,636.86

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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.