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Finding the Fourth Proportional to 174,756.87, 262,213.76 and 103,818.13

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Solution

The fourth proportional to 174,756.87, 262,213.76 and 103,818.13 is: 155,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,756.87 : 262,213.76 = 103,818.13 : x
  2. Step 2: Convert to fraction form
    174,756.87/262,213.76 = 103,818.13/x
  3. Step 3: Cross multiply
    174,756.87x = 262,213.76 × 103,818.13
  4. Step 4: Simplify right side
    174,756.87x = 27,222,541,827.48
  5. Step 5: Solve for x
    x = 27,222,541,827.48/174,756.87
  6. Step 6: Final answer
    x = 155,773.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.