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Finding the Fourth Proportional to 173,309.28, 260,002.80 and 54,984.48

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Solution

The fourth proportional to 173,309.28, 260,002.80 and 54,984.48 is: 82,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,309.28 : 260,002.80 = 54,984.48 : x
  2. Step 2: Convert to fraction form
    173,309.28/260,002.80 = 54,984.48/x
  3. Step 3: Cross multiply
    173,309.28x = 260,002.80 × 54,984.48
  4. Step 4: Simplify right side
    173,309.28x = 14,296,118,756.54
  5. Step 5: Solve for x
    x = 14,296,118,756.54/173,309.28
  6. Step 6: Final answer
    x = 82,489.06

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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.