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Finding the Fourth Proportional to 265,225.14, 397,861.29 and 75,681.90

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Solution

The fourth proportional to 265,225.14, 397,861.29 and 75,681.90 is: 113,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,225.14 : 397,861.29 = 75,681.90 : x
  2. Step 2: Convert to fraction form
    265,225.14/397,861.29 = 75,681.90/x
  3. Step 3: Cross multiply
    265,225.14x = 397,861.29 × 75,681.90
  4. Step 4: Simplify right side
    265,225.14x = 30,110,898,363.65
  5. Step 5: Solve for x
    x = 30,110,898,363.65/265,225.14
  6. Step 6: Final answer
    x = 113,529.58

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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.