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Finding the Fourth Proportional to 173,604.90, 260,431.65 and 73,764.30

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Solution

The fourth proportional to 173,604.90, 260,431.65 and 73,764.30 is: 110,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,604.90 : 260,431.65 = 73,764.30 : x
  2. Step 2: Convert to fraction form
    173,604.90/260,431.65 = 73,764.30/x
  3. Step 3: Cross multiply
    173,604.90x = 260,431.65 × 73,764.30
  4. Step 4: Simplify right side
    173,604.90x = 19,210,558,360.10
  5. Step 5: Solve for x
    x = 19,210,558,360.10/173,604.90
  6. Step 6: Final answer
    x = 110,656.78

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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.