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Finding the Fourth Proportional to 255,322.75, 352,291.99 and 147,886.37

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Solution

The fourth proportional to 255,322.75, 352,291.99 and 147,886.37 is: 204,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,322.75 : 352,291.99 = 147,886.37 : x
  2. Step 2: Convert to fraction form
    255,322.75/352,291.99 = 147,886.37/x
  3. Step 3: Cross multiply
    255,322.75x = 352,291.99 × 147,886.37
  4. Step 4: Simplify right side
    255,322.75x = 52,099,183,581.18
  5. Step 5: Solve for x
    x = 52,099,183,581.18/255,322.75
  6. Step 6: Final answer
    x = 204,052.26

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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.