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Finding the Fourth Proportional to 174,953.62, 262,274.15 and 68,312.77

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Solution

The fourth proportional to 174,953.62, 262,274.15 and 68,312.77 is: 102,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,953.62 : 262,274.15 = 68,312.77 : x
  2. Step 2: Convert to fraction form
    174,953.62/262,274.15 = 68,312.77/x
  3. Step 3: Cross multiply
    174,953.62x = 262,274.15 × 68,312.77
  4. Step 4: Simplify right side
    174,953.62x = 17,916,673,200.99
  5. Step 5: Solve for x
    x = 17,916,673,200.99/174,953.62
  6. Step 6: Final answer
    x = 102,408.13

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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.