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Finding the Fourth Proportional to 234,466.40, 351,662.88 and 65,999.36

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Solution

The fourth proportional to 234,466.40, 351,662.88 and 65,999.36 is: 98,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,466.40 : 351,662.88 = 65,999.36 : x
  2. Step 2: Convert to fraction form
    234,466.40/351,662.88 = 65,999.36/x
  3. Step 3: Cross multiply
    234,466.40x = 351,662.88 × 65,999.36
  4. Step 4: Simplify right side
    234,466.40x = 23,209,525,015.76
  5. Step 5: Solve for x
    x = 23,209,525,015.76/234,466.40
  6. Step 6: Final answer
    x = 98,988.70

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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.