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Finding the Fourth Proportional to 175,039.80, 262,559.70 and 56,723.10

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Solution

The fourth proportional to 175,039.80, 262,559.70 and 56,723.10 is: 85,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,039.80 : 262,559.70 = 56,723.10 : x
  2. Step 2: Convert to fraction form
    175,039.80/262,559.70 = 56,723.10/x
  3. Step 3: Cross multiply
    175,039.80x = 262,559.70 × 56,723.10
  4. Step 4: Simplify right side
    175,039.80x = 14,893,200,119.07
  5. Step 5: Solve for x
    x = 14,893,200,119.07/175,039.80
  6. Step 6: Final answer
    x = 85,084.65

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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.