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Finding the Fourth Proportional to 173,829.90, 260,744.85 and 68,594.70

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Solution

The fourth proportional to 173,829.90, 260,744.85 and 68,594.70 is: 102,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,829.90 : 260,744.85 = 68,594.70 : x
  2. Step 2: Convert to fraction form
    173,829.90/260,744.85 = 68,594.70/x
  3. Step 3: Cross multiply
    173,829.90x = 260,744.85 × 68,594.70
  4. Step 4: Simplify right side
    173,829.90x = 17,885,714,762.30
  5. Step 5: Solve for x
    x = 17,885,714,762.30/173,829.90
  6. Step 6: Final answer
    x = 102,892.05

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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.