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Finding the Fourth Proportional to 173,649.69, 260,473.05 and 135,730.85

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Solution

The fourth proportional to 173,649.69, 260,473.05 and 135,730.85 is: 203,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,649.69 : 260,473.05 = 135,730.85 : x
  2. Step 2: Convert to fraction form
    173,649.69/260,473.05 = 135,730.85/x
  3. Step 3: Cross multiply
    173,649.69x = 260,473.05 × 135,730.85
  4. Step 4: Simplify right side
    173,649.69x = 35,354,227,176.23
  5. Step 5: Solve for x
    x = 35,354,227,176.23/173,649.69
  6. Step 6: Final answer
    x = 203,595.11

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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.