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Finding the Fourth Proportional to 173,678.60, 260,129.10 and 134,107.40

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Solution

The fourth proportional to 173,678.60, 260,129.10 and 134,107.40 is: 200,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,678.60 : 260,129.10 = 134,107.40 : x
  2. Step 2: Convert to fraction form
    173,678.60/260,129.10 = 134,107.40/x
  3. Step 3: Cross multiply
    173,678.60x = 260,129.10 × 134,107.40
  4. Step 4: Simplify right side
    173,678.60x = 34,885,237,265.34
  5. Step 5: Solve for x
    x = 34,885,237,265.34/173,678.60
  6. Step 6: Final answer
    x = 200,860.88

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1.5x scale

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.