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Finding the Fourth Proportional to 97,327.80, 134,312.40 and 52,615.80

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Solution

The fourth proportional to 97,327.80, 134,312.40 and 52,615.80 is: 72,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,327.80 : 134,312.40 = 52,615.80 : x
  2. Step 2: Convert to fraction form
    97,327.80/134,312.40 = 52,615.80/x
  3. Step 3: Cross multiply
    97,327.80x = 134,312.40 × 52,615.80
  4. Step 4: Simplify right side
    97,327.80x = 7,066,954,375.92
  5. Step 5: Solve for x
    x = 7,066,954,375.92/97,327.80
  6. Step 6: Final answer
    x = 72,609.82

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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.