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Finding the Fourth Proportional to 97,474.76, 134,500 and 55,032.40

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Solution

The fourth proportional to 97,474.76, 134,500 and 55,032.40 is: 75,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,474.76 : 134,500 = 55,032.40 : x
  2. Step 2: Convert to fraction form
    97,474.76/134,500 = 55,032.40/x
  3. Step 3: Cross multiply
    97,474.76x = 134,500 × 55,032.40
  4. Step 4: Simplify right side
    97,474.76x = 7,401,857,800
  5. Step 5: Solve for x
    x = 7,401,857,800/97,474.76
  6. Step 6: Final answer
    x = 75,936.15

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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.