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Finding the Fourth Proportional to 97,261.84, 134,332.06 and 65,375.38

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Solution

The fourth proportional to 97,261.84, 134,332.06 and 65,375.38 is: 90,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.84 : 134,332.06 = 65,375.38 : x
  2. Step 2: Convert to fraction form
    97,261.84/134,332.06 = 65,375.38/x
  3. Step 3: Cross multiply
    97,261.84x = 134,332.06 × 65,375.38
  4. Step 4: Simplify right side
    97,261.84x = 8,782,009,177.00
  5. Step 5: Solve for x
    x = 8,782,009,177.00/97,261.84
  6. Step 6: Final answer
    x = 90,292.44

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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.