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Finding the Fourth Proportional to 173,762.60, 260,579.10 and 68,559.80

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Solution

The fourth proportional to 173,762.60, 260,579.10 and 68,559.80 is: 102,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,762.60 : 260,579.10 = 68,559.80 : x
  2. Step 2: Convert to fraction form
    173,762.60/260,579.10 = 68,559.80/x
  3. Step 3: Cross multiply
    173,762.60x = 260,579.10 × 68,559.80
  4. Step 4: Simplify right side
    173,762.60x = 17,865,250,980.18
  5. Step 5: Solve for x
    x = 17,865,250,980.18/173,762.60
  6. Step 6: Final answer
    x = 102,814.13

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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.