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Finding the Fourth Proportional to 176,806.90, 265,215.67 and 43,687.15

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Solution

The fourth proportional to 176,806.90, 265,215.67 and 43,687.15 is: 65,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806.90 : 265,215.67 = 43,687.15 : x
  2. Step 2: Convert to fraction form
    176,806.90/265,215.67 = 43,687.15/x
  3. Step 3: Cross multiply
    176,806.90x = 265,215.67 × 43,687.15
  4. Step 4: Simplify right side
    176,806.90x = 11,586,515,985.38
  5. Step 5: Solve for x
    x = 11,586,515,985.38/176,806.90
  6. Step 6: Final answer
    x = 65,532.03

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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.