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Finding the Fourth Proportional to 173,023.70, 259,449.15 and 79,423.70

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Solution

The fourth proportional to 173,023.70, 259,449.15 and 79,423.70 is: 119,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,023.70 : 259,449.15 = 79,423.70 : x
  2. Step 2: Convert to fraction form
    173,023.70/259,449.15 = 79,423.70/x
  3. Step 3: Cross multiply
    173,023.70x = 259,449.15 × 79,423.70
  4. Step 4: Simplify right side
    173,023.70x = 20,606,411,454.86
  5. Step 5: Solve for x
    x = 20,606,411,454.86/173,023.70
  6. Step 6: Final answer
    x = 119,095.89

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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.