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Finding the Fourth Proportional to 97,239.66, 134,227.63 and 65,427.01

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Solution

The fourth proportional to 97,239.66, 134,227.63 and 65,427.01 is: 90,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,239.66 : 134,227.63 = 65,427.01 : x
  2. Step 2: Convert to fraction form
    97,239.66/134,227.63 = 65,427.01/x
  3. Step 3: Cross multiply
    97,239.66x = 134,227.63 × 65,427.01
  4. Step 4: Simplify right side
    97,239.66x = 8,782,112,236.50
  5. Step 5: Solve for x
    x = 8,782,112,236.50/97,239.66
  6. Step 6: Final answer
    x = 90,314.10

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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.