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Finding the Fourth Proportional to 97,455.51, 134,488.62 and 52,743.51

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Solution

The fourth proportional to 97,455.51, 134,488.62 and 52,743.51 is: 72,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,455.51 : 134,488.62 = 52,743.51 : x
  2. Step 2: Convert to fraction form
    97,455.51/134,488.62 = 52,743.51/x
  3. Step 3: Cross multiply
    97,455.51x = 134,488.62 × 52,743.51
  4. Step 4: Simplify right side
    97,455.51x = 7,093,401,873.86
  5. Step 5: Solve for x
    x = 7,093,401,873.86/97,455.51
  6. Step 6: Final answer
    x = 72,786.05

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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.