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Finding the Fourth Proportional to 174,125.92, 260,994.48 and 68,864.80

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Solution

The fourth proportional to 174,125.92, 260,994.48 and 68,864.80 is: 103,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,125.92 : 260,994.48 = 68,864.80 : x
  2. Step 2: Convert to fraction form
    174,125.92/260,994.48 = 68,864.80/x
  3. Step 3: Cross multiply
    174,125.92x = 260,994.48 × 68,864.80
  4. Step 4: Simplify right side
    174,125.92x = 17,973,332,666.30
  5. Step 5: Solve for x
    x = 17,973,332,666.30/174,125.92
  6. Step 6: Final answer
    x = 103,220.32

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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.