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Finding the Fourth Proportional to 115,666.55, 173,499.83 and 115,666.55

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Solution

The fourth proportional to 115,666.55, 173,499.83 and 115,666.55 is: 173,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.55 : 173,499.83 = 115,666.55 : x
  2. Step 2: Convert to fraction form
    115,666.55/173,499.83 = 115,666.55/x
  3. Step 3: Cross multiply
    115,666.55x = 173,499.83 × 115,666.55
  4. Step 4: Simplify right side
    115,666.55x = 20,068,126,183.35
  5. Step 5: Solve for x
    x = 20,068,126,183.35/115,666.55
  6. Step 6: Final answer
    x = 173,499.83

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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.