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Finding the Fourth Proportional to 97,474.59, 134,516.90 and 55,034.03

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Solution

The fourth proportional to 97,474.59, 134,516.90 and 55,034.03 is: 75,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,474.59 : 134,516.90 = 55,034.03 : x
  2. Step 2: Convert to fraction form
    97,474.59/134,516.90 = 55,034.03/x
  3. Step 3: Cross multiply
    97,474.59x = 134,516.90 × 55,034.03
  4. Step 4: Simplify right side
    97,474.59x = 7,403,007,583.98
  5. Step 5: Solve for x
    x = 7,403,007,583.98/97,474.59
  6. Step 6: Final answer
    x = 75,948.08

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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.