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Finding the Fourth Proportional to 468,131.74, 702,031.54 and 168,531.88

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Solution

The fourth proportional to 468,131.74, 702,031.54 and 168,531.88 is: 252,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,131.74 : 702,031.54 = 168,531.88 : x
  2. Step 2: Convert to fraction form
    468,131.74/702,031.54 = 168,531.88/x
  3. Step 3: Cross multiply
    468,131.74x = 702,031.54 × 168,531.88
  4. Step 4: Simplify right side
    468,131.74x = 118,314,695,255.50
  5. Step 5: Solve for x
    x = 118,314,695,255.50/468,131.74
  6. Step 6: Final answer
    x = 252,738.03

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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.