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Finding the Fourth Proportional to 97,956.72, 135,179.64 and 53,244.72

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Solution

The fourth proportional to 97,956.72, 135,179.64 and 53,244.72 is: 73,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,956.72 : 135,179.64 = 53,244.72 : x
  2. Step 2: Convert to fraction form
    97,956.72/135,179.64 = 53,244.72/x
  3. Step 3: Cross multiply
    97,956.72x = 135,179.64 × 53,244.72
  4. Step 4: Simplify right side
    97,956.72x = 7,197,602,081.50
  5. Step 5: Solve for x
    x = 7,197,602,081.50/97,956.72
  6. Step 6: Final answer
    x = 73,477.37

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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.