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Finding the Fourth Proportional to 75,095.92, 103,628.94 and 43,269.40

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Solution

The fourth proportional to 75,095.92, 103,628.94 and 43,269.40 is: 59,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.92 : 103,628.94 = 43,269.40 : x
  2. Step 2: Convert to fraction form
    75,095.92/103,628.94 = 43,269.40/x
  3. Step 3: Cross multiply
    75,095.92x = 103,628.94 × 43,269.40
  4. Step 4: Simplify right side
    75,095.92x = 4,483,962,056.44
  5. Step 5: Solve for x
    x = 4,483,962,056.44/75,095.92
  6. Step 6: Final answer
    x = 59,709.80

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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.