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Finding the Fourth Proportional to 310,418.26, 465,627.40 and 88,802.26

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Solution

The fourth proportional to 310,418.26, 465,627.40 and 88,802.26 is: 133,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,418.26 : 465,627.40 = 88,802.26 : x
  2. Step 2: Convert to fraction form
    310,418.26/465,627.40 = 88,802.26/x
  3. Step 3: Cross multiply
    310,418.26x = 465,627.40 × 88,802.26
  4. Step 4: Simplify right side
    310,418.26x = 41,348,765,437.92
  5. Step 5: Solve for x
    x = 41,348,765,437.92/310,418.26
  6. Step 6: Final answer
    x = 133,203.39

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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.