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Finding the Fourth Proportional to 255,337.45, 352,427.73 and 147,890.14

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Solution

The fourth proportional to 255,337.45, 352,427.73 and 147,890.14 is: 204,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,337.45 : 352,427.73 = 147,890.14 : x
  2. Step 2: Convert to fraction form
    255,337.45/352,427.73 = 147,890.14/x
  3. Step 3: Cross multiply
    255,337.45x = 352,427.73 × 147,890.14
  4. Step 4: Simplify right side
    255,337.45x = 52,120,586,329.58
  5. Step 5: Solve for x
    x = 52,120,586,329.58/255,337.45
  6. Step 6: Final answer
    x = 204,124.33

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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.