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Finding the Fourth Proportional to 74,838.83, 103,276.64 and 41,302.67

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Solution

The fourth proportional to 74,838.83, 103,276.64 and 41,302.67 is: 56,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.83 : 103,276.64 = 41,302.67 : x
  2. Step 2: Convert to fraction form
    74,838.83/103,276.64 = 41,302.67/x
  3. Step 3: Cross multiply
    74,838.83x = 103,276.64 × 41,302.67
  4. Step 4: Simplify right side
    74,838.83x = 4,265,600,774.12
  5. Step 5: Solve for x
    x = 4,265,600,774.12/74,838.83
  6. Step 6: Final answer
    x = 56,997.16

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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.