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Finding the Fourth Proportional to 173,884.60, 260,438.10 and 134,313.40

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Solution

The fourth proportional to 173,884.60, 260,438.10 and 134,313.40 is: 201,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,884.60 : 260,438.10 = 134,313.40 : x
  2. Step 2: Convert to fraction form
    173,884.60/260,438.10 = 134,313.40/x
  3. Step 3: Cross multiply
    173,884.60x = 260,438.10 × 134,313.40
  4. Step 4: Simplify right side
    173,884.60x = 34,980,326,700.54
  5. Step 5: Solve for x
    x = 34,980,326,700.54/173,884.60
  6. Step 6: Final answer
    x = 201,169.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.