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Finding the Fourth Proportional to 136,572.54, 204,858.90 and 43,085.58

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Solution

The fourth proportional to 136,572.54, 204,858.90 and 43,085.58 is: 64,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,572.54 : 204,858.90 = 43,085.58 : x
  2. Step 2: Convert to fraction form
    136,572.54/204,858.90 = 43,085.58/x
  3. Step 3: Cross multiply
    136,572.54x = 204,858.90 × 43,085.58
  4. Step 4: Simplify right side
    136,572.54x = 8,826,464,524.66
  5. Step 5: Solve for x
    x = 8,826,464,524.66/136,572.54
  6. Step 6: Final answer
    x = 64,628.40

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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.