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Finding the Fourth Proportional to 97,615, 134,708.79 and 52,903

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Solution

The fourth proportional to 97,615, 134,708.79 and 52,903 is: 73,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615 : 134,708.79 = 52,903 : x
  2. Step 2: Convert to fraction form
    97,615/134,708.79 = 52,903/x
  3. Step 3: Cross multiply
    97,615x = 134,708.79 × 52,903
  4. Step 4: Simplify right side
    97,615x = 7,126,499,117.37
  5. Step 5: Solve for x
    x = 7,126,499,117.37/97,615
  6. Step 6: Final answer
    x = 73,006.19

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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.