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Finding the Fourth Proportional to 97,465.94, 134,503.03 and 55,027.20

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Solution

The fourth proportional to 97,465.94, 134,503.03 and 55,027.20 is: 75,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,465.94 : 134,503.03 = 55,027.20 : x
  2. Step 2: Convert to fraction form
    97,465.94/134,503.03 = 55,027.20/x
  3. Step 3: Cross multiply
    97,465.94x = 134,503.03 × 55,027.20
  4. Step 4: Simplify right side
    97,465.94x = 7,401,325,132.42
  5. Step 5: Solve for x
    x = 7,401,325,132.42/97,465.94
  6. Step 6: Final answer
    x = 75,937.55

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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.