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Finding the Fourth Proportional to 173,879.40, 260,819.10 and 134,513.40

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Solution

The fourth proportional to 173,879.40, 260,819.10 and 134,513.40 is: 201,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.40 : 260,819.10 = 134,513.40 : x
  2. Step 2: Convert to fraction form
    173,879.40/260,819.10 = 134,513.40/x
  3. Step 3: Cross multiply
    173,879.40x = 260,819.10 × 134,513.40
  4. Step 4: Simplify right side
    173,879.40x = 35,083,663,925.94
  5. Step 5: Solve for x
    x = 35,083,663,925.94/173,879.40
  6. Step 6: Final answer
    x = 201,770.10

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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.