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Finding the Fourth Proportional to 250,000.90, 375,120.73 and 116,861.81

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Solution

The fourth proportional to 250,000.90, 375,120.73 and 116,861.81 is: 175,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000.90 : 375,120.73 = 116,861.81 : x
  2. Step 2: Convert to fraction form
    250,000.90/375,120.73 = 116,861.81/x
  3. Step 3: Cross multiply
    250,000.90x = 375,120.73 × 116,861.81
  4. Step 4: Simplify right side
    250,000.90x = 43,837,287,476.32
  5. Step 5: Solve for x
    x = 43,837,287,476.32/250,000.90
  6. Step 6: Final answer
    x = 175,348.52

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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.