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Finding the Fourth Proportional to 97,404, 134,417.64 and 52,692

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Solution

The fourth proportional to 97,404, 134,417.64 and 52,692 is: 72,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,404 : 134,417.64 = 52,692 : x
  2. Step 2: Convert to fraction form
    97,404/134,417.64 = 52,692/x
  3. Step 3: Cross multiply
    97,404x = 134,417.64 × 52,692
  4. Step 4: Simplify right side
    97,404x = 7,082,734,286.88
  5. Step 5: Solve for x
    x = 7,082,734,286.88/97,404
  6. Step 6: Final answer
    x = 72,715.02

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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.