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Finding the Fourth Proportional to 97,410.60, 134,428.41 and 54,960.93

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Solution

The fourth proportional to 97,410.60, 134,428.41 and 54,960.93 is: 75,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,410.60 : 134,428.41 = 54,960.93 : x
  2. Step 2: Convert to fraction form
    97,410.60/134,428.41 = 54,960.93/x
  3. Step 3: Cross multiply
    97,410.60x = 134,428.41 × 54,960.93
  4. Step 4: Simplify right side
    97,410.60x = 7,388,310,432.02
  5. Step 5: Solve for x
    x = 7,388,310,432.02/97,410.60
  6. Step 6: Final answer
    x = 75,847.09

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1.5x scale

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.