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Finding the Fourth Proportional to 173,455.40, 260,207.40 and 73,614.80

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Solution

The fourth proportional to 173,455.40, 260,207.40 and 73,614.80 is: 110,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,455.40 : 260,207.40 = 73,614.80 : x
  2. Step 2: Convert to fraction form
    173,455.40/260,207.40 = 73,614.80/x
  3. Step 3: Cross multiply
    173,455.40x = 260,207.40 × 73,614.80
  4. Step 4: Simplify right side
    173,455.40x = 19,155,115,709.52
  5. Step 5: Solve for x
    x = 19,155,115,709.52/173,455.40
  6. Step 6: Final answer
    x = 110,432.51

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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.