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Finding the Fourth Proportional to 173,866.10, 260,410.35 and 134,294.90

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Solution

The fourth proportional to 173,866.10, 260,410.35 and 134,294.90 is: 201,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,866.10 : 260,410.35 = 134,294.90 : x
  2. Step 2: Convert to fraction form
    173,866.10/260,410.35 = 134,294.90/x
  3. Step 3: Cross multiply
    173,866.10x = 260,410.35 × 134,294.90
  4. Step 4: Simplify right side
    173,866.10x = 34,971,781,912.22
  5. Step 5: Solve for x
    x = 34,971,781,912.22/173,866.10
  6. Step 6: Final answer
    x = 201,142.04

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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.