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Finding the Fourth Proportional to 97,451.72, 134,483.37 and 52,739.72

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Solution

The fourth proportional to 97,451.72, 134,483.37 and 52,739.72 is: 72,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,451.72 : 134,483.37 = 52,739.72 : x
  2. Step 2: Convert to fraction form
    97,451.72/134,483.37 = 52,739.72/x
  3. Step 3: Cross multiply
    97,451.72x = 134,483.37 × 52,739.72
  4. Step 4: Simplify right side
    97,451.72x = 7,092,615,209.24
  5. Step 5: Solve for x
    x = 7,092,615,209.24/97,451.72
  6. Step 6: Final answer
    x = 72,780.81

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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.