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Finding the Fourth Proportional to 247,045.96, 340,922.82 and 133,870.60

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Solution

The fourth proportional to 247,045.96, 340,922.82 and 133,870.60 is: 184,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,045.96 : 340,922.82 = 133,870.60 : x
  2. Step 2: Convert to fraction form
    247,045.96/340,922.82 = 133,870.60/x
  3. Step 3: Cross multiply
    247,045.96x = 340,922.82 × 133,870.60
  4. Step 4: Simplify right side
    247,045.96x = 45,639,542,467.09
  5. Step 5: Solve for x
    x = 45,639,542,467.09/247,045.96
  6. Step 6: Final answer
    x = 184,741.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.