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Finding the Fourth Proportional to 173,449.89, 260,171.06 and 79,955.64

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Solution

The fourth proportional to 173,449.89, 260,171.06 and 79,955.64 is: 119,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,449.89 : 260,171.06 = 79,955.64 : x
  2. Step 2: Convert to fraction form
    173,449.89/260,171.06 = 79,955.64/x
  3. Step 3: Cross multiply
    173,449.89x = 260,171.06 × 79,955.64
  4. Step 4: Simplify right side
    173,449.89x = 20,802,143,212.00
  5. Step 5: Solve for x
    x = 20,802,143,212.00/173,449.89
  6. Step 6: Final answer
    x = 119,931.72

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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.