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Finding the Fourth Proportional to 65,165.36, 89,927.88 and 35,357.36

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Solution

The fourth proportional to 65,165.36, 89,927.88 and 35,357.36 is: 48,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165.36 : 89,927.88 = 35,357.36 : x
  2. Step 2: Convert to fraction form
    65,165.36/89,927.88 = 35,357.36/x
  3. Step 3: Cross multiply
    65,165.36x = 89,927.88 × 35,357.36
  4. Step 4: Simplify right side
    65,165.36x = 3,179,612,427.20
  5. Step 5: Solve for x
    x = 3,179,612,427.20/65,165.36
  6. Step 6: Final answer
    x = 48,792.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.