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Finding the Fourth Proportional to 97,757.79, 134,905.28 and 53,045.79

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Solution

The fourth proportional to 97,757.79, 134,905.28 and 53,045.79 is: 73,202.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,757.79 : 134,905.28 = 53,045.79 : x
  2. Step 2: Convert to fraction form
    97,757.79/134,905.28 = 53,045.79/x
  3. Step 3: Cross multiply
    97,757.79x = 134,905.28 × 53,045.79
  4. Step 4: Simplify right side
    97,757.79x = 7,156,156,887.54
  5. Step 5: Solve for x
    x = 7,156,156,887.54/97,757.79
  6. Step 6: Final answer
    x = 73,202.93

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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.