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Finding the Fourth Proportional to 173,874.60, 260,423.10 and 134,303.40

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Solution

The fourth proportional to 173,874.60, 260,423.10 and 134,303.40 is: 201,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,874.60 : 260,423.10 = 134,303.40 : x
  2. Step 2: Convert to fraction form
    173,874.60/260,423.10 = 134,303.40/x
  3. Step 3: Cross multiply
    173,874.60x = 260,423.10 × 134,303.40
  4. Step 4: Simplify right side
    173,874.60x = 34,975,707,768.54
  5. Step 5: Solve for x
    x = 34,975,707,768.54/173,874.60
  6. Step 6: Final answer
    x = 201,154.78

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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.