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Finding the Fourth Proportional to 97,763.72, 134,914.02 and 53,051.72

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Solution

The fourth proportional to 97,763.72, 134,914.02 and 53,051.72 is: 73,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,763.72 : 134,914.02 = 53,051.72 : x
  2. Step 2: Convert to fraction form
    97,763.72/134,914.02 = 53,051.72/x
  3. Step 3: Cross multiply
    97,763.72x = 134,914.02 × 53,051.72
  4. Step 4: Simplify right side
    97,763.72x = 7,157,420,813.11
  5. Step 5: Solve for x
    x = 7,157,420,813.11/97,763.72
  6. Step 6: Final answer
    x = 73,211.42

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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.